Katie Ledecky

Ledecky was born in Washington, D.C. and raised in the suburb of Bethesda, Maryland,{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/le/katie-ledecky-1.html |title=Katie Ledecky |access-date=August 14, 2012 |archive-url=https://web.archive.org/web/20200417090514/https://www.sports-reference.com/olympics/athletes/le/katie-ledecky-1.html |archive-date=April 17, 2020}} the daughter of Mary Gen (née Hagan) and David Ledecky. Her Czech-born paternal grandfather Jaromír Ledecky arrived in New York City on September 8, 1947, as a student.{{Cite web|last=Ledecky|year=1947|title=New York City Passenger and Crew Lists, 1909, 1925–1957|url=https://www.familysearch.org/ark:/61903/1:1:245L-KC4|website=FamilySearch}} He later became an economist and married an Ashkenazi Jewish woman named Berta Ruth Greenwald in Brooklyn on December 30, 1956. Through her paternal grandmother, Ledecky has relatives who were murdered in the Holocaust.{{cite magazine |url=https://www.si.com/olympics/2016/06/01/olympics-2016-road-to-rio-katie-ledecky-swimming |last=Price |first=S.L. |title=Back to her roots: How Katie Ledecky became so dominant in the pool |magazine=Sports Illustrated |date=June 1, 2016 |access-date=August 9, 2016}}{{cite web |url=http://www.timesofisrael.com/gold-medalist-swimmer-inspired-by-her-jewish-history/ |title=Gold medalist swimmer inspired by her Jewish history |website=The Times of Israel |access-date=September 8, 2016}}{{cite news |title=Pozor, vlny. Ve světovém bazénu řádí náctiletá kometa s českými kořeny |trans-title=Attention, waves! There is a teenage comet with Czech roots raging in the world pool |last=Grim |first=Filip |url=http://sport.idnes.cz/story-plavkyne-katie-ledecke-diw-/sporty.aspx?c=A130731_164354_sporty_fil |newspaper=Mladá fronta DNES |language=cs |date=August 1, 2013 |access-date=August 26, 2014}}{{Cite web|last=Ledecky|year=1956|title=New York City City Marriage Licenses Index, 1950–1995|url=https://familysearch.org/ark:/61903/1:1:QLST-FSWG|website=FamilySearch}} Ledecky's mother is of Irish descent.{{cite web |url=http://olympics.nbcsports.com/2016/06/28/katie-ledecky-swimming-olympic-trials-beilke |last=Zaccardi |first=Nick |title=The code to Katie Ledecky's goals in Rio |publisher=NBC |date=June 20, 2016 |access-date=August 9, 2016}} She was raised Catholic and continues to practice the faith, often praying the Hail Mary before her races.{{Cite web |last=Kudialis |first=Chris |date=2016-08-19 |title=An Interview With Olympic Champion Katie Ledecky on Her Catholic Faith |url=https://www.ncregister.com/news/an-interview-with-olympic-champion-katie-ledecky-on-her-catholic-faith |url-status=live |archive-url=https://web.archive.org/web/20230129185716/https://www.ncregister.com/news/an-interview-with-olympic-champion-katie-ledecky-on-her-catholic-faith |archive-date=2023-01-29 |access-date=2022-10-30 |website=National Catholic Register |language=en}}{{cite news |url=http://www.cathstan.org/Content/News/Schools/Article/Olympic-gold-medalist-Katie-Ledecky-says-her-Catholic-faith-helps-her-put-things-in-perspective-/2/21/7164 |first=Kelly |last=Seegers |title=Olympic gold medalist Katie Ledecky says her Catholic faith helps her 'put things in perspective' |newspaper=Catholic Standard |date=July 28, 2016 |access-date=September 26, 2018 |archive-url=https://web.archive.org/web/20181031131256/http://www.cathstan.org/Content/News/Schools/Article/Olympic-gold-medalist-Katie-Ledecky-says-her-Catholic-faith-helps-her-put-things-in-perspective-/2/21/7164 |archive-date=October 31, 2018 |url-status=dead}} Her uncle Jon Ledecky is a businessman and a co-owner of the NHL team New York Islanders.{{cite web |last1=Watt |first1=Annie |title=New York is like this |url=http://www.newyorksocialdiary.com/social-diary/2012/new-york-is-like-this |archive-url=https://web.archive.org/web/20160303220905/http://www.newyorksocialdiary.com/social-diary/2012/new-york-is-like-this |url-status=dead |archive-date=March 3, 2016 |website=New York Social Diary |access-date=August 26, 2016 |date=July 27, 2012}}

File:Ledecky_Barcelona.jpg in Barcelona]]

Ledecky began swimming at the age of six under the influence of her older brother, Michael, and her mother, who swam for the University of New Mexico. In Bethesda, she attended Little Flower School through eighth grade and graduated from Stone Ridge School of the Sacred Heart in 2015.{{Cite news |date=2023-05-20 |title=U.S. Olympic swimming trials: Katie Ledecky, 15, earns surprising berth |url=https://www.washingtonpost.com/sports/us-olympic-swimming-trials-katie-ledecky-15-earns-surprising-berth/2012/07/01/gJQA77vBHW_story.html |access-date=2024-08-04 |newspaper=Washington Post |language=en-US |issn=0190-8286}} During her high-school swimming career, Ledecky twice set the American and US Open record in the 500-yard freestyle, and she twice set the national high-school record in the 200-yard freestyle.

File:CVN80 First Cut of Steel (36828380355).jpg (left) sign steel plate of {{USS|Enterprise|CVN-80|6}} (2017)]]

During the summers prior to 2012, she swam for Palisades Swim Team in Cabin John, Maryland. During the summer of 2012, she trained with the Nation's Capital Swim Club (formerly the Curl Burke Swim Club) under coach Yuri Suguiyama. Following Suguiyama's departure to coach for the University of California, Berkeley, she continued to train with the Nation's Capital Swim Club under coach Bruce Gemmell through the 2016 Summer Olympics. Ledecky accepted an athletic scholarship to Stanford University, where she swam for coach Greg Meehan's Stanford Cardinal women's swimming team.{{Cite web |title=Site Suspended |url=https://epn.org/cgi-sys/suspendedpage.cgi |access-date=2024-08-04 |website=epn.org}}

In December 2016, Ledecky was chosen as one of the sponsors of the US Navy aircraft carrier {{USS|Enterprise|CVN-80|6}} alongside Olympic gold medal-winning gymnast Simone Biles. They are the first Olympians to be given this honor.{{Cite web|url=http://newsroom.huntingtoningalls.com/releases/photo-release-huntington-ingalls-industries-celebrates-ceremonial-steel-cut-for-aircraft-carrier-enterprise-cvn-80-at-newport-news-shipbuilding |title=Photo Release—Huntington Ingalls Industries Celebrates Ceremonial Steel-Cut for Aircraft Carrier Enterprise (CVN 80) at Newport News Shipbuilding |last=Industries |first=Huntington Ingalls |website=Huntington Ingalls Newsroom |access-date=September 5, 2017}}

In December 2020, she completed a Bachelor of Arts in psychology and minor in political science from Stanford University,{{Cite news |last=Maese |first=Rick |date=November 30, 2020 |title=Katie Ledecky couldn't pursue Olympic medals in 2020. She got her degree instead. |newspaper=The Washington Post |url=https://www.washingtonpost.com/sports/2020/11/30/katie-ledecky-couldnt-pursue-olympic-medals-2020-she-got-her-degree-instead/ |access-date=December 2, 2020 |issn=0190-8286}}{{Cite news |last=Frye |first=Andy |date=December 21, 2020 |title=What's Next For Super Olympian Katie Ledecky? |work=Forbes |url=https://www.forbes.com/sites/andyfrye/2020/12/21/whats-next-for-super-olympian-katie-ledecky/ |access-date=December 22, 2020}} and graduated in June 2021.{{Cite news |last=Maese |first=Rick |date=June 11, 2021 |title=The graduate: What Katie Ledecky learned at Stanford and how it might make her faster |newspaper=The Washington Post |url=https://www.washingtonpost.com/sports/olympics/2021/06/11/katie-ledecky-olympic-trials/ |access-date=June 18, 2021 |issn=0190-8286}}

At the 2012 United States Olympic trials in Omaha, Nebraska (her first senior national competition), Ledecky made the Olympic team by placing first in the 800-meter freestyle with a time of 8:19.78, which was over two seconds ahead of second-place finisher Kate Ziegler.{{cite web |url=http://omegatiming.com/File/Download?id=00010C010201001802FFFFFFFFFFFF02 |title=2012 U.S. Olympic Team Trials (swimming) – Women's 800-metre freestyle (final) |publisher=Omega Timing |access-date=July 1, 2012 |archive-url=https://web.archive.org/web/20130523072745/http://omegatiming.com/File/Download?id=00010C010201001802FFFFFFFFFFFF02 |archive-date=May 23, 2013 |url-status=dead}} In Omaha, Ledecky also placed third in the 400-meter freestyle (4:05.00) and ninth in the 200-meter freestyle (1:58.66).{{cite web |url=http://omegatiming.com/File/Download?id=00010C010201001702FFFFFFFFFFFF02 |title=2012 U.S. Olympic Team Trials (swimming) – Women's 400-metre freestyle (final) |publisher=Omega Timing |access-date=July 1, 2012 |archive-url=https://web.archive.org/web/20120630101757/http://www.omegatiming.com/File/Download?id=00010C010201001702FFFFFFFFFFFF02 |archive-date=June 30, 2012 |url-status=dead}}{{cite web |url=http://omegatiming.com/File/Download?id=00010C010201001601FFFFFFFFFFFF02 |title=2012 U.S. Olympic Team Trials (swimming) – Women's 200 metre freestyle (semifinals) |publisher=Omega Timing |access-date=July 1, 2012 |archive-url=https://web.archive.org/web/20120701014227/http://www.omegatiming.com/File/Download?id=00010C010201001601FFFFFFFFFFFF02 |archive-date=July 1, 2012 |url-status=dead}} Her third-place finish in the 400-meter freestyle was the fastest time ever swum by a 15- to 16-year-old American.Amy Shipley, "[https://www.washingtonpost.com/sports/olympics/us-olympic-swimming-trials-katie-ledecky-beats-age-group-record-held-by-janet-evans-in-400-freestyle/2012/06/27/gJQAOdts5V_story.html U.S. Olympic swimming trials: Katie Ledecky breaks Janet Evans's 400 freestyle age group record]", The Washington Post (June 27, 2012). Retrieved July 5, 2012. At 15 years, 4 months, and 10 days, she was the youngest American participant at the 2012 Olympic Games.{{cite news |title=More Women Than Men on U.S. Team |url=https://www.nytimes.com/2012/07/11/sports/olympics/more-women-than-men-on-us-team.html |access-date=July 11, 2012 |work=The New York Times |agency=Associated Press |date=July 10, 2012}}

{{see also|Swimming at the 2012 Summer Olympics}}

{{MedalTableTop|name=no|header=2012 Summer Olympics}}

{{MedalGold | 800 m freestyle| 8:14.63 (NR)}}

{{MedalBottom}}

At the 2012 Summer Olympics in London, Ledecky qualified to swim in the final of the 800-meter freestyle by placing third overall in the heats with a time of 8:23.84.{{cite web |url=https://www.sports-reference.com/olympics/summer/2012/SWI/womens-800-metres-freestyle-round-one.html |archive-url=https://web.archive.org/web/20200417090343/https://www.sports-reference.com/olympics/summer/2012/SWI/womens-800-metres-freestyle-round-one.html |url-status=dead |archive-date=April 17, 2020 |title=Swimming at the 2012 London Summer Games: Women's 800 metres freestyle round one |publisher=Sports Reference LLC |access-date=August 10, 2012}} In the final, Ledecky stunned the field, winning gold by more than four seconds, with a time of 8:14.63, the then second-fastest effort of all time just behind Rebecca Adlington's world record of 8:14.10 set in 2008.{{cite web |url=https://www.sports-reference.com/olympics/summer/2012/SWI/womens-800-metres-freestyle-final.html |archive-url=https://web.archive.org/web/20200417090343/https://www.sports-reference.com/olympics/summer/2012/SWI/womens-800-metres-freestyle-final.html |url-status=dead |archive-date=April 17, 2020 |title=Swimming at the 2012 London Summer Games: Women's 800 metres freestyle final |publisher=Sports Reference LLC |access-date=August 10, 2012}} In addition, she broke Janet Evans' American record of 8:16.22 that had stood since 1989. In the final, Ledecky went out hard and, by the 200-meter mark, she had already established an almost body-length lead. Her 400-meter split was 4:04.34, a personal best for Ledecky in that distance, and would have placed fifth in the individual 400-meter freestyle. At the 750-meter mark, Ledecky was 3.42 seconds ahead of Mireia Belmonte García, and 0.31 seconds under world record pace. Ledecky won by 4.13 seconds and just missed the world record by 0.53 seconds. Her gold was the first international medal of her career, earning her the 2012 Best Female Performance of the Year and Breakout Performer of the Year at the Golden Goggle Awards.

At the 2013 US National Championships, Ledecky qualified to swim in four individual events and the 4×200-meter freestyle relay at the 2013 World Aquatics Championships in Barcelona, Spain, though she later dropped the 200-meter freestyle from her program. At the National Championships, she finished first in the 400-, 800- and 1500-meter freestyle, and second in the 200-meter freestyle.

{{MedalTableTop|name=no|header=2013 World Championships}}

{{MedalGold | 400 m freestyle| 3:59.82 (NR)}}

{{MedalGold | 800 m freestyle| 8:13.86 (WR)}}

{{MedalGold | 1500 m freestyle| 15:36.53 (WR)}}

{{MedalGold | 4 × 200 m freestyle | 7:45.14}}

{{MedalBottom}}

At the 2013 World Championships, Ledecky won gold in the 400-, 800-, and 1500-meter freestyle, and in the 4×200-meter freestyle relay, and set two world records. In winning the 400 through 1500-meter titles, she became the second woman ever to win the events in a World Championships since German Hannah Stockbauer in 2003. In her first event in Barcelona, the 400-meter freestyle, Ledecky became a world champion for the first time by winning in 3:59.82, setting a new American record and becoming the second-fastest performer of all time in the event.{{cite news |title=Katie Ledecky wins 400 freestyle at world championships |last=Newberry |first=Paul |url=http://www.washingtontimes.com/news/2013/jul/28/katie-ledecky-wins-400-freestyle-world-championshi/ |newspaper=The Washington Times |agency=Associated Press |date=July 28, 2013 |access-date=July 28, 2013}}

File:Ledecky Williston.jpg (2015).]]

In her second event, Ledecky won gold in the 1500-meter freestyle in a world record time of 15:36.53, breaking the record held by compatriot Kate Ziegler by six seconds.{{cite news |title=Katie Ledecky smashes 1500m freestyle world record for a golden double |url=https://www.theguardian.com/sport/2013/jul/30/katie-ledecky-world-swimming-championships |newspaper=The Guardian |agency=Associated Press |date=July 30, 2013 |access-date=July 30, 2013}} The hard-fought race saw Ledecky overcome Dane Lotte Friis in the final few hundred meters after losing the lead at the 300-meter mark and included a final 50 split of 29.47.

In her third, and first relay event of her international career, the 4×200-meter freestyle, Ledecky and teammates Shannon Vreeland, Karlee Bispo, and Missy Franklin won gold in 7:45.14.{{cite web |title=15th FINA World Championships – Women's 4 × 200 m Freestyle |url=http://www.omegatiming.com/File/Download?id=00010D020101003402FFFFFFFFFFFF02 |publisher=Omega Timing |access-date=August 1, 2013}} Anchor Missy Franklin overtook Australian Alicia Coutts in the last 200 meters, giving the US the gold. Ledecky provided the US with an early lead, swimming the first leg in a personal best of 1:56.32.

In her fourth and last event, the 800-meter freestyle, Ledecky won gold in a world record of 8:13.86, bettering Rebecca Adlington's world record of 8:14.10. Much like the 1500-meter freestyle, Ledecky let Lotte Friis lead most of the race, making a move at the 650-meter mark to eventually win the race by 2.46 seconds.{{cite news |title=Bethesda's Katie Ledecky sets world record in 800-meter freestyle, wins fourth gold medal of world championships |last=Svrluga |first=Barry |url=https://www.washingtonpost.com/sports/othersports/bethesdas-katie-ledecky-sets-world-record-in-800-meter-freestyle-wins-fourth-gold-medal-of-world-championships/2013/08/03/90ec3250-fc74-11e2-9bde-7ddaa186b751_story.html |newspaper=The Washington Post |date=August 8, 2013 |access-date=August 8, 2013}}

Ledecky scored more points than any other swimmer to earn the FINA trophy for best female swimmer of the meet.{{cite news |title=Driving test looming for Ledecky after Barcelona splash |last=Rogers |first=Iain |url=https://www.reuters.com/article/us-swimming-world-ledecky-idUSBRE97405520130805 |work=Reuters |date=August 4, 2013}}

At year's end, Ledecky was named the American Swimmer of the Year and the World Swimmer of the Year by Swimming World magazine. She was also named the best female swimmer for 2013 by FINA Aquatics World magazine.

Ledecky began the year by breaking her own world records in the 800- and 1500-meter freestyle at the 2014 Woodlands Swim Team Senior Invitational in June. Despite being in season and swimming multiple events, Ledecky was able to first break the world record in the 1500-meter freestyle with a time of 15:34.23,{{cite AV media |date=June 20, 2014 |url=https://www.youtube.com/watch?v=_lhRGzGgOeg |title=Katie Ledecky World Record 1500 meter swim at 2014 TWST Senior Invite |publisher=Gregor Samsa |via=YouTube |access-date=August 10, 2021 |archive-url=https://web.archive.org/web/20181209125442/https://www.youtube.com/watch?v=_lhRGzGgOeg |archive-date=December 9, 2018 |url-status=live}} bettering her previous mark of 15:36.53. Three days later, Ledecky then broke the world record in the 800-meter freestyle with a time of 8:11.00,{{cite AV media |date=June 23, 2014 |url=https://www.youtube.com/watch?v=2N5etcXu6Bw |title=Katie Ledecky World Record 800 Meter Free at 2014 TWST Senior Invite |publisher=Gregor Samsa |via=YouTube |access-date=August 10, 2021 |archive-url=https://web.archive.org/web/20160310030220/https://www.youtube.com/watch?v=2N5etcXu6Bw |archive-date=March 10, 2016 |url-status=live}} bettering her previous mark of 8:13.86.

At the 2014 US National Championships, the qualifying meet for both the 2014 Pan Pacific Swimming Championships and the 2015 World Aquatics Championships, Ledecky finished first in the 200-, 400-, and 800-meter freestyle. In the 400-meter freestyle, Ledecky set her third world record of the year by breaking Federica Pellegrini's 2009 world record of 3:59.15 with a time of 3:58.86. With her mark in the 400, Ledecky became the first female since Janet Evans to hold world records simultaneously in the 400-, 800-, and 1500-meter freestyles.Nick Zaccardi, "[http://olympictalk.nbcsports.com/2014/08/14/janet-evans-katie-ledecky-swimming-olympics/ Janet Evans sees parallels with Katie Ledecky]", NBC Sports (August 14, 2014). Retrieved March 2, 2015.

{{MedalTableTop|name=no|header=2014 Pan Pacific Championships}}

{{MedalGold | 200 m freestyle| 1:55.74 (CR)}}

{{MedalGold | 400 m freestyle| 3:58.37 (WR)}}

{{MedalGold | 800 m freestyle| 8:11.35 (CR)}}

{{MedalGold | 1500 m freestyle| 15:28.36 (WR)}}

{{MedalGold | 4 × 200 m freestyle | 7:46.40 (CR)}}

{{MedalBottom}}

At the 2014 Pan Pacific Swimming Championships in Gold Coast, Australia, Ledecky won five gold medals and broke two world records. Her wins came in the 200-, 400-, 800-, and 1500-meter freestyle and the 4×200-meter freestyle. Ledecky almost broke the world record in the 800-meter freestyle, finishing with a time of 8:11.35. Her world records came in the 400- and 1500-meter freestyles, with times of 3:58.37 and 15:28.36, respectively. She became the first woman to win four individual gold medals at a single Pan Pacific Championship.Karen Crouse, "[https://www.nytimes.com/2014/08/25/sports/katie-ledecky-sets-world-record-in-1500-meter-freestyle.html?_r=1 Katie Ledecky Sets World Record in 1,500-Meter Freestyle]", The New York Times (August 24, 2014). Retrieved March 2, 2015.

File:Ledecky 1500 Free.jpg

In the 200-meter freestyle final, Ledecky had over a half-second lead on the field at the halfway point before winning by 1.46 seconds with a meet record time of 1:55.74. Less than an hour later, Ledecky won the 800-meter freestyle, swimming under her world record pace for most of the race before touching in at 8:11.35, the second-fastest time ever, to win by 7.52 seconds over New Zealand swimmer Lauren Boyle.Jason Marsteller, "[http://www.swimmingworldmagazine.com/news/pan-pacific-championships-results-katie-ledecky-trounces-pan-pacs-record-in-200-free/ Pan Pacific Championships, Results: Katie Ledecky Trounces Pan Pacs Record in 200 Free]", Swimming World (August 21, 2014). Retrieved March 3, 2015.

The next day, Ledecky added her third meet record by swimming on the American 4×200-meter freestyle relay team with Shannon Vreeland, Missy Franklin, and Leah Smith. Swimming the anchor leg, Ledecky erased a 1.2-second deficit going into the final leg of the race, passing Australia's Melanie Schlanger with a 1:54.36 split over the final 200 meters. She also swam in the 100-meter freestyle heats.

On the third day of the meet, Ledecky set her fourth meet record in the 400-meter freestyle prelim heats with a time of 4:03.09. That night, Ledecky lowered the record again, setting the first world record ever at the new Gold Coast Aquatic Center with a time of 3:58.37. Ledecky's winning time was over six seconds quicker than American teammate and silver medalist Cierra Runge.Jason Marsteller, "[http://www.swimmingworldmagazine.com/news/katie-ledecky-smashes-400-free-world-record-nearly-clears-358-pan-pacific-championships-results/ Katie Ledecky Smashes 400 Free World Record, Nearly Clears 3:58! (Pan Pacific Championships Results)]", Swimming World (August 23, 2014). Retrieved March 3, 2015.

On the meet's final day, Ledecky set her fifth world record of the year, lowering her record in the 1500-meter freestyle by nearly six seconds with a time of 15:28.36. Ledecky swam the second half of the race faster than the first, completing the final 800 meters in 8:14.11—faster than any other woman has completed a regular 800-meter race in a textile suit."[http://www.usaswimming.org/_Rainbow/Documents/726a0b3f-1730-4d75-942c-d85fde2b41e8/women_toptimes.pdf LCM Women Records as of 2/21/2015] {{Webarchive|url=https://web.archive.org/web/20160305010917/http://www.usaswimming.org/_Rainbow/Documents/726a0b3f-1730-4d75-942c-d85fde2b41e8/women_toptimes.pdf |date=March 5, 2016 }}", USA Swimming. Retrieved March 2, 2015. Ledecky lapped three competitors in the final and finished 27.33 seconds ahead of silver medalist Boyle. National Team Director Frank Busch described Ledecky's 1500 performance as "the most impressive race I have ever seen, and I've been in the sport for 50 years.... She's blazing a completely different trail than anyone who has come before."Dave Sheinin, "[https://www.washingtonpost.com/sports/highschools/katie-ledecky-finishes-high-school-career-with-olympics-more-world-records-in-sight/2015/02/04/2fb41a18-ac11-11e4-9c91-e9d2f9fde644_story.html Katie Ledecky finishes high school career with Olympics, more world records in sight]." The Washington Post (February 4, 2015). Retrieved March 2, 2015.

During the championships' closing ceremonies, Ledecky was named the female swimmer of the meet.Elliott Almond, "[http://www.mercurynews.com/sports/ci_26398384/stanford-bound-swimmer-katie-ledecky-sets-world-record Stanford-bound swimmer Katie Ledecky sets world record]", Mercury News (August 25, 2014). Retrieved March 2, 2015.

At year's end, Ledecky was named the World Swimmer of the Year and American Swimmer of the Year by Swimming World Magazine.

{{MedalTableTop|name=no|header=2015 World Championships}}

{{MedalGold | 200 m freestyle| 1:55.16}}

{{MedalGold | 400 m freestyle| 3:59.13 (CR)}}

{{MedalGold | 800 m freestyle| 8:07.39 (WR)}}

{{MedalGold | 1500 m freestyle| 15:25.48 (WR)}}

{{MedalGold | 4 × 200 m freestyle | 7:45.37 }}

{{MedalBottom}}

At the 2015 World Aquatics Championships in Kazan, Russia, Ledecky won five gold medals and broke three world records. Her wins came in the 200-, 400-, 800-, and 1500-meter freestyles and the 4×200-meter freestyle. Her world records came in the 800- and 1500-meter freestyles. Ledecky became the first and only swimmer—male or female—to win the 200-, 400-, 800- and 1500-meter freestyles in a major competition.Karen Crouse, "[https://www.nytimes.com/2015/08/09/sports/katie-ledecky-wins-800-completing-world-championships-sweep.html?_r=0 Katie Ledecky Wins 800 in Record Time, Completing World Championships Sweep]", The New York Times (August 8, 2015). Retrieved August 8, 2015. Ledecky was also named the female swimmer of the meet.

Ledecky began the World Championships by winning gold in the 400-meter freestyle in a time of 3:59.13, a new championship record and almost four seconds ahead of her closest competitor.Jason Marsteller, "[http://www.swimmingworldmagazine.com/news/katie-ledecky-making-sub-400-look-pedestrian-with-meet-record-to-defend-400-free-title-at-2015-fina-world-championships/ Katie Ledecky Making Sub-4:00 Look Pedestrian With Meet Record to Defend 400 Free Title at 2015 FINA World Championships]", Swimming World (August 2, 2015). Retrieved August 3, 2015.

File:Kazan 2015 - Victory Ceremony 400m freestyle W.JPG

In the heats of the 1500-meter freestyle on the second day of competition, Ledecky broke her own world record in a time of 15:27.71.{{Cite web |last=Crouse |first=Karen |date=2015-08-03 |title=Katie Ledecky Breaks World Record, Almost by Accident |url=https://www.nytimes.com/2015/08/04/sports/katie-ledecky-breaks-world-record-in-1500-freestyle.html?_r=0 |url-status=dead |access-date=2015-08-03 |website=The New York Times |language=en |archive-date=August 7, 2015 |archive-url=https://web.archive.org/web/20150807174351/http://www.nytimes.com/2015/08/04/sports/katie-ledecky-breaks-world-record-in-1500-freestyle.html?_r=0 }}

On the third day of competition during the morning session, Ledecky swam in the heats of the 200-meter freestyle and qualified first with a time of 1:55.82. In the evening session, Ledecky faced a tough double with the 1500-meter freestyle final and the semi-finals of the 200-meter freestyle shortly after. In the 1500-meter freestyle, Ledecky broke her own world record in a time of 15:25.48.{{cite web |date=2015-08-04 |title=16th FINA World Championships – Women's 1500 metre freestyle (final) |url=http://omegatiming.com/File/Download?id=00010F020001001902FFFFFFFFFFFF02 |url-status=dead |archive-url=https://web.archive.org/web/20160203150312/http://omegatiming.com/File/Download?id=00010F020001001902FFFFFFFFFFFF02 |archive-date=February 3, 2016 |access-date=August 4, 2015 |publisher=Omega Timing |language=en}} Twenty-nine minutes later, Ledecky qualified 6th in the 200-meter freestyle with a time of 1:56.76.{{cite web |url=http://omegatiming.com/File/Download?id=00010F020001001601FFFFFFFFFFFF02 |title=16th FINA World Championships – Women's 200 metre freestyle (semifinals) |publisher=Omega Timing |access-date=August 6, 2015 |archive-url=https://web.archive.org/web/20150924141611/http://www.omegatiming.com/File/Download?id=00010F020001001601FFFFFFFFFFFF02 |archive-date=September 24, 2015 |url-status=dead}}

In her only event on the fourth day of competition, the 200-meter freestyle, Ledecky won her third gold medal of the meet, winning in a time of 1:55.16. Unlike her other races, it was not an easy win for Ledecky, which featured the likes of Missy Franklin and Federica Pellegrini. In the end, Ledecky was able to hold off a fast charging Pellegrini, eventually winning by a 0.16 margin. Ledecky's final 50-meter split of 29.33 was the second-fastest in the field behind Pellegrini's 29.23.{{Cite news |last=Sheinin |first=Dave |date=2015-08-05 |title=Katie Ledecky expands world dominance with 200 freestyle title |url=https://www.washingtonpost.com/sports/olympics/katie-ledecky-expands-world-dominance-with-200-freestyle-title/2015/08/05/fa88d716-3b80-11e5-9c2d-ed991d848c48_story.html |url-status=dead |access-date=2015-08-06 |newspaper=The Washington Post |language=en |archive-date=March 12, 2017 |archive-url=https://web.archive.org/web/20170312173519/https://www.washingtonpost.com/sports/olympics/katie-ledecky-expands-world-dominance-with-200-freestyle-title/2015/08/05/fa88d716-3b80-11e5-9c2d-ed991d848c48_story.html }}

On the fifth day of competition, Ledecky, with Missy Franklin, Leah Smith, and Katie McLaughlin won gold in the 4×200-meter freestyle relay. Swimming the anchor leg, Ledecky recorded a split of 1:55.64 and the Americans finished with an aggregate time of 7:45.37.

On the seventh day of competition, Ledecky completed her World Championships run by winning gold in the 800-meter freestyle in a world record time of 8:07.39, breaking her own record by 3.61 seconds.

Ledecky began 2016 at the Arena Pro Swim Series at Austin. On the final day of competition, she reset her world record in the 800-meter freestyle, clocking a time of 8:06.68.{{Cite news |last=Flaherty |first=Bryan |date=2016-01-07 |title=Katie Ledecky does it again, breaks world record in 800 free |url=https://www.washingtonpost.com/news/early-lead/wp/2016/01/17/katie-ledecky-does-it-again-breaks-world-record-in-800-free/ |url-status=dead |access-date=2016-03-31 |newspaper=The Washington Post |language=en |archive-date=January 18, 2016 |archive-url=https://web.archive.org/web/20160118034953/https://www.washingtonpost.com/news/early-lead/wp/2016/01/17/katie-ledecky-does-it-again-breaks-world-record-in-800-free/ }} Earlier in the meet, she set world-leading times in the 200- and 400-meter freestyles and a U.S.-leading time in the 100-meter freestyle.

At the 2016 United States Olympic trials in Omaha, Nebraska, Ledecky won the 200-, 400- and 800-meter freestyles to qualify for her second Olympic team. Ledecky opened the Trials with a win and meet record in the 400-meter freestyle (3:58.98). Two days later, she recorded a time of 1:54.88 en route to winning the 200-meter freestyle. On July 1, Ledecky broke Janet Evans's 28-year-old national championship record in the morning preliminary heats of the 800-meter freestyle (8:10.91) before placing seventh that evening in the 100-meter freestyle (53.99). The next day, Ledecky lowered her meet record, winning the 800-meter freestyle final by nearly 10 seconds (8:10.32). With her pair of swims in the 800-meter freestyle, Ledecky took control of the top 11 fastest times in the event's history.{{Cite web |last=Ortegon |first=Karl |date=2016-07-01 |title=Katie Ledecky Now Owns The 10 Fastest 800 Free Times Ever |url=https://swimswam.com/katie-ledecky-now-owns-10-fastest-800-free-times-ever/ |access-date=2016-07-03 |website=Swim Swam |language=en}} At the conclusion of the week, Ledecky was named the female swimmer of the meet.{{Cite web |last=Hecht |first=Hannah |date=2016-07-03 |title=U.S. Olympic Trials: Ledecky, Phelps Named Swimmers of the Meet |url=https://swimswam.com/u-s-olympic-trials-ledecky-phelps-named-swimmers-meet/ |access-date=2016-07-03 |website=Swim Swam |language=en}}

{{see also|Swimming at the 2016 Summer Olympics}}

{{MedalTableTop|name=no|header=2016 Summer Olympics}}

{{MedalGold | 200 m freestyle| 1:53.73}}

{{MedalGold | 400 m freestyle| 3:56.46 (WR)}}

{{MedalGold | 800 m freestyle| 8:04.79 (WR)}}

{{MedalGold | 4 × 200 m freestyle relay | 7:43.03}}

{{MedalSilver | 4 × 100 m freestyle relay | 3:31.89 (NR)}}

{{MedalBottom}}

Ledecky's first event in the 2016 Summer Olympics was the 4×100-meter freestyle relay, swimming the anchor leg for the United States in both the prelims and final. Ledecky recorded a split of 52.64 in the heats. In the final, she joined Simone Manuel, Abbey Weitzeil, and Dana Vollmer and recorded a split of 52.79, helping the team earn a silver medal (behind Australia) with a time of 3:31.89, a new national record for the United States.{{cite web |title=Women's 4 × 100 m freestyle relay |url=https://www.google.com/webhp?hl=en&tab=gw#q=Olympics&oi=ddle&hl=en&mie=oly%2C%5B%22%2Fg%2F11c3ymw8zj%22%2C6%2Cnull%2C2%2Cnull%2Cnull%2C%22%2Fm%2F04fk2lw%22%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2C16%5D |access-date=August 11, 2016}}

Her first individual event was the 400-meter freestyle. Ledecky qualified in the heats with a time of 3:58.71, an Olympic record. In the final, she won the gold medal with a world record time of 3:56.46––nearly two seconds faster than her previous record from 2014 and almost 5 seconds ahead of the silver medalist, Jazmin Carlin.{{cite news |last1=Futterman |first1=Matthew |title=Katie Ledecky Wins Gold in 400-Meter Freestyle |url=https://www.wsj.com/articles/katie-ledecky-wins-gold-in-400-meter-freestyle-1470624671 |website=The Wall Street Journal |date=August 8, 2016 |access-date=August 8, 2016}}

File:Swimming 4x100m freestyle relay 2017-08-07 03.jpg

Ledecky won a second gold in the 200-meter freestyle with a personal best of 1:53.73, beating Sarah Sjöström by 0.35 seconds.{{cite web |title=Women's 200m freestyle |url=https://www.google.com/webhp?hl=en&tab=gw#q=Olympics&oi=ddle&hl=en&mie=oly%2C%5B%22%2Fg%2F11c3ymx975%22%2C6%2Cnull%2C2%2Cnull%2Cnull%2C%22%2Fm%2F04fk3ls%22%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2C16%5D |access-date=August 11, 2016}}

Ledecky claimed her third gold in the 4×200-meter freestyle relay, with Allison Schmitt, Leah Smith, and Maya DiRado. Swimming the anchor leg again, Ledecky provided the fastest split of the field (1:53.74) to turn a 0.89-second deficit into a 1.84-second victory, stopping the clock at 7:43.03.{{cite web |title=Women's 4 × 200 m freestyle relay |url=https://www.google.com/webhp?hl=en&tab=gw#q=Olympics&oi=ddle&hl=en&mie=oly%2C%5B%22%2Fg%2F11c3ymxc34%22%2C6%2Cnull%2C2%2Cnull%2Cnull%2C%22%2Fm%2F04fk30b%22%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2Cnull%2C16%5D |access-date=August 11, 2016}}

She won a fourth gold in her final individual event, the 800-meter freestyle. She qualified in the heats with an Olympic record, 8:12.86, and set a [https://myswimsplits.com/womens-800m-freestyle-long-course/ world record] in the finals of 8:04.79, over 11 seconds faster than the silver medalist, Jazmin Carlin.

File:Katie Ledecky Accepts her Award for "Female Athlete of the Olympic Games" at the U.S. Olympic Committee Team USA Award Show in Washington (29379288743).jpg) accepts her award for "Female Athlete of the Olympic Games" at the U.S. Olympic Committee Team USA Award Show in Washington, D.C. (September 2016)]]

With three individual titles, Ledecky became the first swimmer to win the 200, 400 and 800 m freestyle at the same Olympics since Debbie Meyer did so in 1968 in Mexico City.{{cite news |url=https://www.nytimes.com/2016/08/13/sports/olympics/katie-ledecky-800-freestyle-gold.html |title=Katie Ledecky Smashes World Record in the 800-Meter Freestyle |first1=Karen |last1=Crouse |date=August 12, 2016 |newspaper=The New York Times |access-date=August 13, 2016}} Ledecky's final medal total (four golds, one silver) is the most decorated single-Olympics performance by a U.S. female athlete in terms of gold medals, topping Missy Franklin (2012; four golds, 1 bronze), Simone Biles (2016; four golds, 1 bronze), and Amy Van Dyken (1996; four golds).{{cite web |url=http://www.nbcolympics.com/news/katie-ledecky-defends-800m-free-title-win-4th-gold-medal-rio-olympicsl |title=Katie Ledecky Defends 800m Free Title To Win 4th Gold in Rio |first1=Rachel |last1=Lutz |date=August 12, 2016 |publisher=NBC Olympics |access-date=August 21, 2016 |archive-date=September 19, 2016 |archive-url=https://web.archive.org/web/20160919134342/http://www.nbcolympics.com/news/katie-ledecky-defends-800m-free-title-win-4th-gold-medal-rio-olympicsl |url-status=dead }} Ledecky was also the 2nd most decorated Olympian at the 2016 games behind Michael Phelps (5 golds, 1 silver).{{cite web | last=Grausz | first=Dylan | title=The GOAT: With four medals won in Paris, Stanford alum Katie Ledecky becomes the most decorated female swimmer ever | website=Stanford Cardinal On SI | date=August 5, 2024 | url=https://www.si.com/college/stanford/olympic-sports/stanford-alum-katie-ledecky-makes-history-at-paris-olympics-01j4j0czhkr2 | access-date=August 5, 2024}}

During the 2016–17 NCAA season, Ledecky set 12 NCAA records and nine American records while swimming as a freshman for Stanford University.

At the Ohio State Invitational in November 2016, Ledecky lowered her American and U.S. Open marks in the women's 500-yard freestyle and 1650-yard freestyle.{{cite web |last1=Ortegon |first1=Karl |title=Ledecky Wins 1650 By A Minute, Breaks American, NCAA Records At OSU |url=https://swimswam.com/ledecky-wins-1650-by-a-minute-breaks-american-ncaa-records-at-osu/ |website=Swim Swam |date=November 21, 2016 |access-date=January 5, 2017}}

At the Pac-12 Championships in Federal Way, Washington, Ledecky earned Swimmer of the Meet honors with four American records as Stanford won its first conference title in four years. On the first day of the meet, Ledecky anchored the 800-yard freestyle relay with a 1:40.28 split to break the NCAA, American, and U.S. Open record in the 800-yard freestyle relay with Lia Neal, Katie Drabot, and Ella Eastin. The next day, Ledecky lowered her own mark again in the 500-yard freestyle with a time of 4:25.15.{{cite web |last1=Neidigh |first1=Lauren |title=Ledecky Scorches NCAA, American Records With 4:25.15 500 Free |url=https://swimswam.com/ledecky-scorches-ncaa-american-records-425-15-500-free/ |website=Swim Swam |date=February 24, 2017 |access-date=February 24, 2017}} On the meet's third day, she won the 400-yard individual medley in a new American record of 3:57.68 before finishing second to teammate Simone Manuel in the 200-yard freestyle with a personal best time less than a half hour later.{{cite web |last1=Zaccardi |first1=Nick |title=Katie Ledecky Beaten by Simone Manuel, Still Sets Two Personal Bests |url=http://olympics.nbcsports.com/2017/02/24/katie-ledecky-simone-manuel-pac-12-championships/ |website=NBC Olympics |date=February 24, 2017 |access-date=February 24, 2017}} On the meet's final day, Ledecky joined Manuel, Neal, and Janet Hu to break the NCAA and American record in the 400-yard freestyle relay.

At the NCAA Championships in Indianapolis, Ledecky helped lead Stanford to its first team title since 1998. She reset her American, NCAA, and U.S. Open records in the 800-yard freestyle relay, 500-yard freestyle, and 400-yard freestyle relay and won a meet-best five race titles overall. On the meet's first day, she recorded the team's fastest split to lower the 800-yard freestyle relay record to 6:45.91 with Manuel, Neal, and Eastin.{{cite web |last1=D'Addona |first1=Dan |title=Stanford Smashes Relay Record |url=https://www.swimmingworldmagazine.com/news/2017-ncaa-womens-championships-stanford-smashes-relay-record/ |website=Swimming World |date=March 15, 2017 |access-date=March 26, 2017}} The next day, she lowered her own record in the 500-yard freestyle with a time of 4:24.06, beating the second-fastest performer of all time, Leah Smith, by nearly five seconds. On the meet's third day, Ledecky's 20th birthday, Ledecky recorded a personal-best time of 1:40.36 in the 200-yard freestyle to edge Manuel and tie Louisville sophomore Mallory Comerford for the title.{{cite web |last1=Martinelli |first1=Michelle R. |title=A Louisville Swimmer Managed To Tie Katie Ledecky in an NCAA Championship Race |url=http://ftw.usatoday.com/2017/03/katie-ledecky-ncaa-championships-stanford-womens-200-freestyle-tie-louisville-mallory-comerford |website=For The Win |date=March 18, 2017 |access-date=March 26, 2017}} On the meet's final day, Ledecky set an NCAA record in the 1000-yard freestyle (9:06.90) en route to a championship record in the 1650-yard freestyle (15:07.70), defeating runner-up Smith by 21.19 seconds and lapping all other competitors.{{cite web |last1=Zaccardi |first1=Nick |title=Ledecky Laps All But One Swimmer To Win NCAA Title |url=http://olympics.nbcsports.com/2017/03/18/katie-ledecky-ncaa-championships-1650-freestyle/ |website=NBC OlympicTalk |date=March 18, 2017 |access-date=March 26, 2017}} In the meet's final event, Ledecky joined Manuel, Neal, and Hu to swim the second leg of Stanford's 400-yard freestyle relay. The team lowered its previous record with a time of 3:07.61, securing a 526.5–366 decision over runner-up California-Berkeley, the largest championship margin of victory since 2003.{{cite web |last1=D'Addona |first1=Dan |title=Stanford Wins First NCAA Swimming and Diving Title Since 1998 |url=https://www.swimmingworldmagazine.com/news/stanford-wins-first-di-ncaa-womens-swimming-and-diving-title-since-1998/ |website=Swimming World |date=March 19, 2017 |access-date=March 26, 2017}}

Following the season, Ledecky became the first freshman in 35 years to receive the Honda Cup, which recognizes the nation's top female collegiate athlete.{{cite web |last1=D'Addona |first1=Dan |title=Stanford Wins First NCAA Swimming and Diving Title Since 1998 |url=https://www.swimmingworldmagazine.com/news/stanford-wins-first-di-ncaa-womens-swimming-and-diving-title-since-1998/ |website=Swimming World |date=March 19, 2017 |access-date=March 26, 2017}}

At the 2017 USA Swimming Championships, the qualifying meet for the 2017 World Aquatics Championships, Ledecky won the 200-meter freestyle (1:54.84), 400-meter freestyle (3:58.44), and 800-meter freestyle (8:11.50) and earned a spot on six events.

{{MedalTableTop|name=no|header=2017 World Championships}}

{{MedalGold | 400 m freestyle| 3:58.34 (CR)}}

{{MedalGold | 800 m freestyle| 8:12.68}}

{{MedalGold | 1500 m freestyle| 15:31.82}}

{{MedalGold | 4 × 100 m freestyle | 3:31.72 (AR) }}

{{MedalGold | 4 × 200 m freestyle | 7:43.39 }}

{{MedalSilver | 200 m freestyle| 1:55.18}}

{{MedalBottom}}

At the 2017 World Aquatics Championships in Budapest, Ledecky broke the World Aquatics Championships' all-time female gold medal record, winning five golds and one silver to bring her career title total to 14.

In her first event, the 400-meter freestyle, Ledecky successfully defended her world title, finishing with a championship record time of 3:58.34.{{Cite news |url=http://bleacherreport.com/articles/2723295-katie-ledecky-wins-400m-freestyle-gold-medal-at-world-aquatics-championships |title=Katie Ledecky Wins 400m Freestyle Gold Medal at World Aquatics Championships |last=Blanchette |first=Rob |work=Bleacher Report |access-date=July 26, 2017}} Later that evening, Ledecky swam the third leg of the 4×100-meter freestyle. Joined with Mallory Comerford, Kelsi Worrell, and Simone Manuel, Ledecky recorded a split of 53.83, helping the team win gold with a time of 3:31.72, a new national record for the United States.{{Cite news |url=http://bleacherreport.com/articles/2723307-katie-ledecky-usa-win-4x100m-free-relay-at-2017-world-aquatics-championships |title=Katie Ledecky, USA Win 4x100m Free Relay at 2017 World Aquatics Championships |last=Goldberg |first=Rob |work=Bleacher Report |access-date=July 26, 2017}}

File:Budapest2017 fina world championships - 1500freestyle final - score board - results.jpg

On the third day of competition, Ledecky defended her 1500-meter freestyle title, winning with a time of 15:31.82. With this win being Ledecky's twelfth World Championship gold medal, Ledecky passed Missy Franklin for the most gold medals won by a female swimmer in long course World Championships history.{{Cite news |url=https://swimswam.com/ledeckys-dozen-passes-missy-world-champs-golds-history/ |title=Ledecky's Dozen: Passes Missy For Most World Champs Golds In History |date=July 25, 2017 |work=SwimSwam |access-date=July 26, 2017}}

On the fourth day of competition, Ledecky tied for silver in the 200-meter freestyle (with Emma McKeon), finishing behind Federica Pellegrini with a time of 1:55.18. This was Ledecky's first international loss in a final in individual event. Notably, in the semifinals the day prior, Ledecky recorded the top time in the semifinals with a time of 1:54.69. She achieved this result less than an hour after swimming the 1500-meter freestyle final.

On the fifth day of competition, Ledecky, with Leah Smith, Mallory Comerford, and Melanie Margalis won gold in the 4×200-meter freestyle relay. Swimming the anchor leg, Ledecky recorded a split of 1:54.02, and the Americans finished with an aggregate time of 7:43.39.

Ledecky concluded the meet with a win in the 800-meter freestyle, her fifth-straight title in the event across Olympics and World Championships.

During the 2017–18 NCAA season, Ledecky set another three NCAA records and two American records while helping lead Stanford to its second straight team title.

At the Texas A&M Invitational in November 2017, Ledecky lowered her American and U.S. Open mark in the 1650-yard freestyle with a time of 15:03.31.{{Cite news |url=https://www.floswimming.com/articles/6048236-art-adamson-invite-ledecky-drops-1503-clips-american-record |title=Ledecky Drops 15:03, Clips American Record |date=November 18, 2017 |work=Flo Swimming |access-date=April 1, 2018}}

Following another undefeated dual meet season, Ledecky earned Swimmer of the Meet honors for the second straight year at the Pac-12 Championships in Federal Way, sweeping the 500-yard freestyle, 400-yard individual medley, and 200-yard freestyle. In the 400-yard individual medley, Ledecky broke Katinka Hosszú's all-time record by one-hundredth of a second, finishing in 3:56.53. Stanford earned its second team title in as many years.{{Cite news |url=https://swimswam.com/katie-ledecky-smashes-400-im-american-ncaa-record-356-5/ |title=KATIE LEDECKY SMASHES 400 IM AMERICAN RECORD, TOPS NCAA RECORD IN 3:56.5 |date=February 23, 2018 |work=SwimSwam |access-date=April 1, 2018}}

At the NCAA Championships, Ledecky won the 500 and 1650-yard freestyle events by record margins and anchored the winning 800-yard freestyle relay team of Katie Drabot, Brooke Forde, and Ella Eastin. Ledecky finished second in the 400-yard individual medley to Eastin, who lowered the record Ledecky set a month earlier at the Pac-12 Championships. In the 1650-yard freestyle, Ledecky re-set her NCAA record in the 1000-yard free with a split of 9:05.89 en route to winning by more than 28 seconds. In the team standings, Stanford beat runner-up California-Berkeley by 220 points, the largest margin of victory in 25 years.{{Cite web|url=https://i.turner.ncaa.com/sites/default/files/external/gametool/brackets/swimdive_d1_2018_final_results.pdf|title=2018 NCAA DI Women's Swimming & Diving Champs - 3/14/2018 to 3/17/2018 Results|website=i.turner.ncaa.com}}

A week following Stanford's championship win, Ledecky announced at the National Press Club that she will forego her final two seasons of NCAA eligibility in order to accept professional endorsement and sponsorship opportunities.{{Cite news |url=https://www.nytimes.com/2018/03/26/sports/olympics/katie-ledecky-stanford.html |title=Katie Ledecky Turns Pro After Dominating College Swimming |date=March 26, 2018 |work=The New York Times |access-date=April 1, 2018}} She signed with Wasserman sports agent Dan Levy for representation.{{Cite news |url=https://swimswam.com/katie-ledecky-signs-with-wasserman-agent-dan-levy/ |title=Katie Ledecky Signs with Wasserman Agent Dan Levy |date=April 2, 2018 |work=SwimSwam |access-date=July 9, 2018}}

At the academic year's conclusion, the College Sports Information Directors of America named Ledecky the Division I Academic All-America Team Member of the Year for her athletic and academic achievements.

Ledecky made her debut as a professional swimmer on May 16, 2018, at the TYR Pro Swim Series in Indianapolis, Indiana, where she beat her old world record in the 1500-meter freestyle, setting a new world record of 15:20.48. She broke the existing mark by five seconds.{{Cite news |url=https://www.washingtonpost.com/sports/if-you-thought-katie-ledecky-was-done-shattering-world-records-you-were-sorely-mistaken/2018/05/16/74660894-5959-11e8-8836-a4a123c359ab_story.html |title=If you thought Katie Ledecky was done shattering world records, you were sorely mistaken |last=Maese |first=Rick |date=May 16, 2018 |newspaper=The Washington Post |access-date=May 16, 2018 |issn=0190-8286}}

Ledecky signed her first sponsorship deal with TYR Sport, Inc. on June 8, 2018.{{Cite news |url=https://www.washingtonpost.com/news/sports/wp/2018/06/08/katie-ledecky-signs-with-tyr-her-first-endorsement-deal-since-turning-pro/ |title=Katie Ledecky signs with TYR, her first endorsement deal since turning pro |last=Maese |first=Rick |date=June 8, 2018 |newspaper=The Washington Post |access-date=June 8, 2018 |issn=0190-8286}}

In July 2018, at the 2018 USA Swimming Championships in Irvine, Ledecky qualified for the 2018 Pan Pacific Championships by finishing first in the 200-,{{cite web |last1=Keith |first1=Braden |title=Men Don't Move, but Ledecky Takes Women's Lead in PSS Standings |url=https://swimswam.com/men-dont-move-but-ledecky-takes-womens-lead-in-pss-standings/ |website=Swim Swam |date=July 27, 2018 |access-date=July 27, 2018}} 400-, and 800-meter freestyle.{{cite web |last1=Harris |first1=Beth |title=Ledecky cruises to easy win in 800 free at US Nationals |url=https://www.apnews.com/aa51ab9089644547a022ae14dc51f8cf |work=Associated Press News |date=July 26, 2018 |publisher=AP News |access-date=July 27, 2018}}

File:Katie Ledecky and Leah Smith are alone at the finish after the 800m free (41869226145).jpg are alone at the finish after the 800m free in 2018]]

{{MedalTableTop|name=no|header=2018 Pan Pacific Championships}}

{{MedalGold | 400 m freestyle| 3:58.50}}

{{MedalGold | 800 m freestyle| 8:09.13 (CR)}}

{{MedalGold | 1500 m freestyle| 15:38.97}}

{{MedalSilver | 4 × 200 m freestyle| 7:44.37}}

{{MedalBronze | 200 m freestyle| 1:55.15}}

{{MedalBottom}}

At the 2018 Pan Pacific Championships in Tokyo, Ledecky led all swimmers with three individual titles, winning golds in the 400-, 800-, and 1500-meter freestyle. She also took bronze in the 200-meter freestyle and silver in the 4x200-meter freestyle.

On the first day of competition, Ledecky won gold in the 800-meter freestyle with a championship-record time of 8:09.13, topping runner-up Ariarne Titmus of Australia by 7.94 seconds. Just over an hour later, Ledecky took third in the 200-meter freestyle (1:55.15), finishing behind Canada's Taylor Ruck (1:54.44) and Japan's Rikako Ikee (1:54.85).

The next day, Ledecky anchored the United States team of Allison Schmitt, Leah Smith, and Katie McLaughlin in the 4x200-meter freestyle relay. Entering the water with a 2.88-second deficit, Ledecky swam the fourth-fastest relay split in history (1:53.84), nearly overtaking Australian Madeline Groves, who touched 0.25 seconds ahead of Ledecky to set a new championship and national record.

On the third day, Ledecky defeated Titmus wire-to-wire in the 400-meter freestyle.{{Cite news |url=https://olympics.nbcsports.com/2018/08/11/katie-ledecky-pan-pacific-championships-400-freestyle/ |title=Katie Ledecky wins 400m free at Pan Pacs, but she has company |last=Zaccardi |first=Nick |date=August 11, 2018 |work=NBC Sports |access-date=October 12, 2019 }}

Ledecky concluded the championships with another gold medal in the 1500-meter freestyle, winning by a margin of 21.11 seconds (15:38.97).

{{MedalTableTop|name=no|header=2019 World Championships}}

{{MedalGold | 800 m freestyle| 8:13.58}}

{{MedalSilver | 400 m freestyle| 3:59.97}}

{{MedalSilver | 4 × 200 m freestyle | 7:41.87 (NR) }}

{{MedalBottom}}

At the 2019 World Aquatics Championships in Gwangju, South Korea, Ledecky battled illness and withdrew from two events before winning her fourth-straight World Championship title in the 800-meter freestyle.

On the first day of competition, Ledecky led Australian Ariarne Titmus into the final wall of the 400-meter freestyle final before fading to second. The next morning, Ledecky struggled through her preliminary heat of the 1500-meter freestyle despite qualifying first for the event's final. She subsequently announced her withdrawal from the 1500 and 200-meter freestyle due to illness.{{Cite news |url=https://apnews.com/e1926be2152545b3a1d09267ca119be9 |title=Ledecky withdraws from 2 events at worlds due to illness |last=Harris |first=Beth |date=July 22, 2019 |work=Associated Press News |access-date=January 18, 2020 }}

Ledecky returned to competition three days later to swim the final of the women's 4x200-meter freestyle relay. The Americans (Simone Manuel, Ledecky, Melanie Margalis and Katie McLaughlin) set a new American record and swam under the existing world record with a time of 7:41.87, yet placed second to the Australian team (7:41.50).

Still recovering from illness, Ledecky qualified second the next day for the final of the 800-meter freestyle. In the final, Ledecky swam to an early lead before Italian swimmer Simona Quadarella took over midway through the race. Ledecky trailed Quadarella into the final wall. Ledecky passed Quadarella and pulled away in the final 50 meters to win by 1.41 seconds.

In the inaugural season of the International Swimming League, Ledecky represented DC Trident.{{cite web |url=https://swimswam.com/natalie-coughlin-to-return-to-competition-with-the-dc-trident/ |title=Natalie Coughlin to Return to Competition with the DC Trident |first1=Robert |last1=Gibbs |date=June 11, 2019 |publisher=SwimSwam}}

For the seventh-straight year, Ledecky finished the year with the top times in the world in both the 800- and 1500-meter freestyle (8:10.70 and 15:35.98).{{Cite news |url=https://olympics.nbcsports.com/2019/12/07/katie-ledecky-us-open-swimming-1500/ |title=Katie Ledecky wins by 30 seconds, takes back No. 1 ranking |date=December 7, 2019 |work=NBC Sports OlympicTalk |access-date=January 18, 2020 }}

Ledecky collected several end-of-decade honors. Fifty-two percent of SwimSwam.com readers voted Ledecky the top swimmer of the decade, ahead of Michael Phelps.{{Cite news |url=https://swimswam.com/swimswam-pulse-52-4-pick-ledecky-as-swimmer-of-the-2010s/ |title=SwimSwam Pulse: 52.4% Pick Ledecky As Swimmer of the 2010s |last=Anderson |first=Jared |date=January 8, 2020 |work=SwimSwam.com |access-date=January 18, 2020 }} Readers of The London Evening Standard voted Ledecky the International Sportswoman of the Decade.{{Cite news |url=https://www.standard.co.uk/sport/lewis-hamilton-british-sport-star-decade-djokovic-ledecky-and-kunieda-a4325511.html |title=Lewis Hamilton voted Best British Sports Star of the Decade as Djokovic, Ledecky and Kuneida also triumph |last=Ouzia |first=Malik |date=January 3, 2020 |work=Evening Standard |access-date=January 18, 2020 }} She finished third in the Associated Press's Female Athlete of the Decade voting, behind Serena Williams and Simone Biles.{{Cite news |url=https://apnews.com/947523e3d98bcfc1baaa8eb965587eb4 |title=Serena Williams aces AP athlete of the decade honors |last=Fendrich |first=Howard |date=December 28, 2019 |work=Associated Press News |access-date=January 18, 2020 }}

Ledecky began 2020 at the TYR Pro Swim Series in Des Moines, Iowa, where she won the 200-, 400- and 1500-meter freestyle races.{{Cite web |last=OlympicTalk |date=March 7, 2020 |title=Katie Ledecky, after being slowed by illness, showcases her speed |url=https://olympics.nbcsports.com/2020/03/06/katie-ledecky-des-moines-swimming/ |access-date=March 10, 2021 |website=OlympicTalk {{!}} NBC Sports}} Ledecky withdrew from the 800-meter freestyle race due to illness.{{Cite web |last=Neidigh |first=Lauren |date=March 7, 2020 |title=2020 PSS – Des Moines: Ledecky Scratches 800 Free on Day 4 |url=https://swimswam.com/2020-pss-des-moines-ledecky-scratches-800-free-on-day-4/ |access-date=March 10, 2021 |website=SwimSwam }} Ledecky did not compete at any other events during 2020.{{Cite news |last=Maese |first=Rick |date=March 3, 2021 |title=With eyes on Tokyo, Katie Ledecky returns to find out what a difference a year makes |newspaper=The Washington Post |url=https://www.washingtonpost.com/sports/2021/03/03/katie-ledecky-swimming-return/ |access-date=March 10, 2021}}

Ledecky began 2021 at the TYR Pro Swim Series at San Antonio, Texas. She won the 200-, 400-, 800- and 1500-meter freestyle races.{{Cite web |title=Katie Ledecky wins all four of her events, Simone Manuel takes 50-meter crown at TYR Pro Swim Series |url=https://www.cbssports.com/olympics/news/katie-ledecky-wins-all-four-of-her-events-simone-manuel-takes-50-meter-crown-at-tyr-pro-swim-series/ |access-date=March 10, 2021 |website=CBSSports.com |date=March 7, 2021 }}

On Thursday May 20, 2021, at the Longhorn Aquatics Elite Invite Ledecky won the long course 100 meter freestyle final by one one-hundredth of a second in a time of 53.82 with second place going to Simone Manuel.[http://www.txlameetresults.com/ "Meet Results: Longhorn Aquatics Elite Invite 5/20/2021 – 5/23/2021"]. HY-TEK. May 20, 2021. Retrieved June 14, 2021.

As part of the NBC evening telecast for day one of the 2020 USA Swimming Olympic trials (postponed to June 2021 due to the COVID-19 pandemic), Ledecky was featured in an interview discussing Stanford University's commencement, finishing her college degree, and training for the Olympic Trials."Swimming". 2020 US Olympic Team Trials from CHI Health Center Omaha. NBC, KING-TV, Seattle, June 13, 2021. Because training facilities were closed during the pandemic, Ledecky and her colleague Simone Manuel trained for the Olympics in a 25-yard private pool in Atherton, in the backyard of masters swimmer Tod Spieker.{{Cite news|last=Auerbach|first=Nicole|title=Katie Ledecky vs. herself: How a backyard pool and unrelenting drive has the U.S. swimmer on the brink of Olympic history|url=https://theathletic.com/2609313/2021/05/26/katie-ledecky-olympics-tokyo-swimming/|access-date=July 31, 2021|website=The Athletic}}

On the second day, June 14, 2021, Ledecky competed in the prelims of the 400 meter freestyle in the morning, swimming a 4:03.07, ranking 1st out of all prelims heats, and advancing to the final in the evening.[https://www.omegatiming.com/File/00011500030201EF01FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 400m Freestyle Heats Results Summary"]. Omega Timing. June 14, 2021. Retrieved June 14, 2021.Anderson, Jared (June 14, 2021). [https://swimswam.com/2021-u-s-olympic-trials-wave-ii-day-2-prelims-live-recap/ "2021 U.S. Olympic Trials Wave II: Day 2 Prelims Live Recap"]. SwimSwam. Retrieved June 14, 2021. The 400 meter freestyle was the first race on Ledecky's schedule where she had the opportunity to make the 2020 USA Olympic Team.OlympicTalk (June 14, 2021). [https://olympics.nbcsports.com/2021/06/14/us-olympic-swimming-trials-katie-ledecky-400m/ "Katie Ledecky's first opportunity to make Tokyo Olympic team has arrived in 400m freestyle"]. NBC Sports. Retrieved June 14, 2021. In the evening final of the 400 meter freestyle, Ledecky finished first with a time of 4:01.27, securing her first spot on her third US Olympic Team swimming the 400 meter freestyle at the 2020 Summer Olympics.[https://www.omegatiming.com/File/00011500030201EF04FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 400m Freestyle Final Results Summary"]. Omega Timing. June 14, 2021. Retrieved June 14, 2021.Sutherland, James (June 14, 2021). [https://swimswam.com/2021-u-s-olympic-trials-wave-ii-day-2-finals-live-recap/ "2021 U.S. Olympic Trials Wave II: Day 2 Finals Live Recap"]. SwimSwam. Retrieved June 14, 2021.Stanford Athletics (June 14, 2021). [https://gostanford.com/news/2021/6/14/womens-swimming-diving-tickets-punched.aspx?print=true "Tickets Punched: Katie Ledecky and Torri Huske are Tokyo Bound"]. Stanford University. Retrieved June 14, 2021.Rieder, David (June 14, 2021). [https://www.swimmingworldmagazine.com/news/u-s-olympic-trials-katie-ledecky-swims-401-27-to-qualify-for-third-olympics-paige-madden-pulls-away-for-second/ "U.S. Olympic Trials: Katie Ledecky Swims 4:01.27 to Qualify for Third Olympics; Paige Madden Pulls Away for Second"]. Swimming World. Retrieved June 14, 2021. This accomplishment was highlighted by various news outlets including NBC Sports, Newsweek, and USA Today.OlympicTalk (June 14, 2021). [https://olympics.nbcsports.com/2021/06/14/katie-ledecky-400m-free-olympic-swim-trials/ "Katie Ledecky relieved to check the box after qualifying for third Olympics"]. NBC Sports. Retrieved June 14, 2021.McDonald, Scott (June 14, 2021). [https://www.newsweek.com/katie-ledecky-vs-ariarne-titmus-rivalry-emerges-400m-freestyle-before-tokyo-1600608 "Katie Ledecky vs Ariarne Titmus Rivalry Emerges in 400m Freestyle Before Tokyo"]. Newsweek. Retrieved June 14, 2021.Brennan, Christine (June 14, 2021). [https://www.usatoday.com/story/sports/christinebrennan/2021/06/14/katie-ledecky-makes-us-olympic-team-tokyo-400-freestyle/7695313002/ "Katie Ledecky makes US Olympic team with win in women's 400-meter freestyle"]. USA Today. Retrieved June 14, 2021.

In the morning of day three, Ledecky swam a 1:57.58 in the 200 meter freestyle prelims, ranking second fastest of all heats.[https://www.omegatiming.com/File/00011500030201EE01FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 200m Freestyle Heats Results Summary"]. Omega Timing. June 15, 2021. Retrieved June 15, 2021. Two events later, she swam a 15:43.10 in the 1500 meter freestyle prelims, ranking as the fastest swimmer of prelims heat, advancing to the final, and setting a new Championship Record over four seconds faster than the previous record she set in 2013.[https://www.omegatiming.com/File/00011500030201F301FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 1500m Freestyle Heats Results Summary"]. Omega Timing. June 15, 2021. Retrieved June 15, 2021.Anderson, Jared (June 15, 2021). [https://swimswam.com/2021-u-s-olympic-trials-wave-ii-day-3-prelims-live-recap/ "2021 U.S. Olympic trials Wave II: Day 3 Prelims Live Recap"]. SwimSwam. Retrieved June 15, 2021. Later the same day in the evening semifinals for the 200 meter freestyle, Ledecky finished first with a time of 1:55.83.[https://www.omegatiming.com/File/00011500030201EE02FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 200m Freestyle Semifinals Results Summary"]. Omega Timing. June 15, 2021. Retrieved June 15, 2021.

On day 4, June 16, she won both the 200m and 1500m freestyle finals in the evening.[https://www.omegatiming.com/File/00011500030201EE04FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 200m Freestyle Final Results Summary"]. Omega Timing. June 16, 2021. Retrieved June 16, 2021.[https://www.omegatiming.com/File/00011500030201F304FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 1500m Freestyle Final Results Summary"]. Omega Timing. June 16, 2021. Retrieved June 16, 2021.Zaccardi, Nick (June 16, 2021). [https://olympics.nbcsports.com/2021/06/16/katie-ledecky-olympic-trials/ "Katie Ledecky, after chats with legends, wins two races in one night at Olympic Swimming Trials"]. NBC Sports. Retrieved June 16, 2021. Ledecky swam a 15:40.50 in the 1500 meter freestyle, lowering her Championship Record from the day before and becoming the first winner of the women's 1500 meter freestyle at the US Olympic Trials.Sutherland, James (June 16, 2021). [https://swimswam.com/2021-u-s-olympic-trials-wave-ii-day-4-finals-live-recap/ "2021 U.S. Olympic Trials Wave II: Day 4 Finals Live Recap"]. SwimSwam. Retrieved June 16, 2021. She swam a 1:55.11 in the 200 meter freestyle. These two swims secured her spots on the US Olympic Team for the 2020 Summer Olympics in the 1500 meter freestyle and 200 meter freestyle individual events as well as the 4 × 200 meter freestyle relay. Ledecky won the 200 meter and 1500 meter freestyle finals in a time span of about 70 minutes as well as collecting her medal at the 200 meter freestyle medal ceremony and eating a snack.Maese, Rick (June 16, 2021). [https://www.washingtonpost.com/sports/olympics/2021/06/16/katie-ledecky-first-place-1500-frestyle/ "For Katie Ledecky, the long and short of it is first place in both the 1,500 and 200 freestyle"]. The Washington Post. Retrieved June 17, 2021.Kumar, Aishwarya (June 16, 2021). [https://www.espn.com/olympics/story/_/id/31648375/katie-ledecky-shows-dominance-poise-us-olympics-swim-trials "Katie Ledecky shows dominance, poise at U.S. Olympics swim trials"]. ESPN. Retrieved June 17, 2021.Associated Press (June 17, 2021). [https://www.theguardian.com/sport/2021/jun/17/katie-ledecky-swimming-1500m-olympics-tokyo "Katie Ledecky wins 1500m free 70 minutes after 200m at US Olympic Trials"]. The Guardian. Retrieved June 17, 2021.

Friday June 18, 2021, the sixth day of competition, Ledecky won with a time of 8:16.61 in the prelims heats of the 800-meter freestyle and advanced to the final.[https://www.omegatiming.com/File/00011500030201F101FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 800m Freestyle Heats Results Summary"]. Omega Timing. June 18, 2021. Retrieved June 18, 2021.Anderson, Jared (June 18, 2021). [https://swimswam.com/2021-u-s-olympic-trials-wave-ii-day-6-prelims-live-recap/ "2021 U.S. Olympic Trials Wave II: Day 6 Prelims Live Recap"]. SwimSwam. Retrieved June 18, 2021. The following day in the final, Ledecky won with a time of 8:14.62 and qualified to swim the 800 meter freestyle at the 2020 Summer Olympics for the United States.[https://www.omegatiming.com/File/00011500030201F104FFFFFFFFFFFF01.pdf "2020 U.S. Olympic Team Trials – Wave II: Women's 800m Freestyle Final Results Summary"]. Omega Timing. June 19, 2021. Retrieved June 19, 2021.Sutherland, James (June 19, 2021). [https://swimswam.com/2021-u-s-olympic-trials-wave-ii-day-7-finals-live-recap/ "2021 U.S. Olympic Trials Wave II: Day 7 Finals Live Recap"]. SwimSwam. Retrieved June 19, 2021.

{{see also|Swimming at the 2020 Summer Olympics}}

{{MedalTableTop|name=no|header=2020 Summer Olympics}}

{{MedalGold | 800 m freestyle | 8:12.57}}

{{MedalGold | 1500 m freestyle | 15:37.34}}

{{MedalSilver | 400 m freestyle | 3:57.36 }}

{{MedalSilver| 4 × 200 m freestyle |7:40:73 (NR)}}

{{MedalBottom}}

At the 2020 Summer Olympics in Tokyo, Japan, Ledecky won two gold medals and two silver medals, making her the most decorated U.S. female athlete for a second straight Summer Olympics.[https://en.as.com/en/2021/08/08/olympic_games/1628453329_261846.html "Which athletes have won the most Olympic medals in Tokyo 2020?"]. "AS.com" Retrieved August 9, 2021. Ledecky began her racing in the prelims of the 400 meter freestyle, ranking first overall with her time of 4:00.45 and advancing to the final.[https://www.espn.com/olympics/story/_/id/31881489/katie-ledecky-top-qualifier-400-meter-freestyle "Katie Ledecky is top qualifier in 400-meter freestyle"]. ESPN. July 25, 2021. Retrieved July 25, 2021.Taranto, Steven (July 25, 2021). [https://www.cbssports.com/olympics/news/olympics-2021-day-3-schedule-what-to-watch-results-from-tokyo-as-simone-biles-katie-ledecky-get-started/ "Olympics 2021: Day 3 schedule, what to watch, results from Tokyo as Simone Biles, Katie Ledecky get started"]. CBS Sports. Retrieved July 25, 2021. However, she finished second to Australian swimmer Ariarne Titmus to win the silver medal, trailing Titmus by half a second after leading at the 300m mark.{{cite web |url=https://7news.com.au/sport/olympics/shes-done-it-ariarne-titmus-upstages-katie-ledecky-to-win-tokyo-2020-gold-c-3509095| title=Ariarne Titmus vs Katie Ledecky – Watch Titmus Win Gold in the Women's 400m Freestyle Final at Tokyo 2020 Olympic | date=July 25, 2021}} Ledecky's time of 3:57.36 was the second-fastest time of her career and fourth-fastest in history.Goldich, Mitch (July 26, 2021). [https://www.si.com/olympics/2021/07/26/tokyo-olympics-what-to-watch-ledecky-silver-medal "Ledecky's Silver Medal Finish Still An Incredible Achievement"]. Sports Illustrated. Retrieved July 26, 2021. This was Ledecky's first loss in an individual event at the Olympics.

In the debut of the women's 1500 meter freestyle at the Summer Olympics, Ledecky set an Olympic record in her heat with a time of 15:35.35 and advanced to the final ranked first overall.Anderson, Jared (July 26, 2021). [https://swimswam.com/tokyo-2020-olympics-day-3-prelims-live-recap/ "Tokyo 2020 Olympics: Day 3 Prelims Live Recap"]. SwimSwam. Retrieved July 26, 2021.Gaydos, Ryan (July 26, 2021). [https://www.foxnews.com/sports/katie-ledecky-olympic-record-silver-medal "Katie Ledecky earns Olympic record, silver medal in busy day"]. Fox News. Retrieved July 26, 2021. In the same prelims session as the 1500 meter freestyle, Ledecky ranked first in the 200 meter freestyle with a time of 1:55.28 and advanced to the event's semifinals.Pecoraro, Nick (July 26, 2021). [https://swimswam.com/watch-ledecky-wins-both-200-1500-fr-heats-douglass-wins-200-im-prelims-heat/ "Watch: Ledecky Wins Both 200/1500 FR Heats, Douglass Wins 200 IM Prelims Heat"]. SwimSwam. Retrieved July 26, 2021. She swam a 1:55.34 in the semifinals of the 200 meter freestyle and advanced to the final ranking third overall.Hart, Torrey (July 26, 2021). [https://www.nbcolympics.com/news/2012-olympic-champion-allison-schmitt-misses-out-200m-freestyle-final-tokyo "2012 Olympic champion Allison Schmitt misses out on 200m freestyle final in Tokyo"]. NBC Olympics. Retrieved July 26, 2021.NBC Olympics (July 26, 2021). [https://ktvz.com/sports/nbc-olympics/2021/07/26/katie-ledecky-qualifies-for-200m-final-will-face-titmus/ "Katie Ledecky qualifies for 200m final, will face Titmus"]. KTVZ. Retrieved July 26, 2021. In the finals of these two events, Ledecky failed to reach the podium for the 200 m freestyle, placing 5th behind Titmus, Haughey, Oleksiak, and Yang, but placed 1st in the 1500 m race, leading teammate Erica Sullivan (silver) by 4 seconds, clinching her first gold medal of the Games.{{Cite web|last=Brennan|first=Christine|title=Katie Ledecky wins gold medal in 1,500 freestyle at Tokyo Olympics, US teammate Erica Sullivan takes silver|url=https://www.usatoday.com/story/sports/olympics/2021/07/27/katie-ledecky-tokyo-olympics-200-1500-freestyle/5395886001/|access-date=July 28, 2021|website=USA Today}} She finished the final in 15:37.34, but her record from the preliminary round still holds.

The next day, Ledecky anchored for Team USA in the women's 4 × 200 freestyle relay, winning a silver medal alongside teammates Allison Schmitt, Paige Madden, and Katie McLaughlin behind China. Before she entered the pool, the United States was trailing both Australia and China, but she swam a time of 1:53.76 to finish the race 0.4 seconds behind the Chinese swimmer Li Bingjie and ahead of Australia, who were the favorites coming into the competition. Ledecky's split was the fastest of all swimmers in the relay finals.{{Cite news|last=Sheinin|first=David|title=Katie Ledecky 'let it go' in anchor leg of 4 × 200 relay, securing silver|url=https://www.washingtonpost.com/sports/olympics/2021/07/29/katie-ledecky-4x200-relay-tokyo-olympics/|newspaper=The Washington Post}} Ledecky won her second gold medal of the Olympics and her seventh of all time in the 800-meter freestyle. Her six individual gold medals are the most of any female Olympic swimmer and female US Olympian, and the second-most of all Olympic swimmers behind Michael Phelps. She became the first swimmer to win a distance event three times in a row, as well as the youngest and oldest person to win the 800 free (at age 15 in 2012 and age 24 in 2021).{{Cite web|last=Norlander|first=Matt|title=Katie Ledecky makes history with 6th individual gold, cements Olympic icon status, and she'll be back in 2024|date=August 8, 2021 |url=https://www.cbssports.com/olympics/news/katie-ledecky-makes-history-with-6th-individual-gold-cements-olympic-icon-status-and-shell-be-back-in-2024/}}

Following the Olympic Games on September 22, Ledecky announced her intention to train with coach Anthony Nesty at the University of Florida.Sutherland, James (September 22, 2021). [https://swimswam.com/olympic-champion-katie-ledecky-heads-to-florida-to-train-under-anthony-nesty/ "Olympic Champion Katie Ledecky Heads To Florida To Train Under Anthony Nesty"]. SwimSwam. Retrieved December 5, 2021.Rieder, David (September 27, 2021). [https://www.swimmingworldmagazine.com/news/the-week-that-was-katie-ledecky-announces-move-to-gainesville-isl-regular-season-concludes/ "The Week That Was: Katie Ledecky Announces Move to Gainesville, ISL Regular Season Concludes"]. Swimming World. Retrieved December 5, 2021. Additionally, Ledecky signed on to be a volunteer swim coach for the Florida Gators.[https://www.espn.com/olympics/story/_/id/32257328/katie-ledecky-joining-florida-gators-volunteer-swimming-coach "Katie Ledecky joining Florida Gators as volunteer swimming coach"]. ESPN. September 22, 2021. Retrieved December 5, 2021.

At the 2022 USA Swimming International Team Trials in Greensboro, Ledecky qualified for the 2022 World Aquatics Championships by finishing first in the 200-meter freestyle (1:55.15), the 400-meter freestyle (3:59.52), the 800-meter freestyle (8:09.27) and the 1500-meter freestyle (15:38.99).

{{MedalTableTop|name=no|header=2022 World Championships}}

{{MedalGold | 400 m freestyle | 3:58.15 (CR)}}

{{MedalGold | 800 m freestyle | 8:08.04}}

{{MedalGold | 1500 m freestyle | 15:30.15}}

{{MedalGold| 4 × 200 m freestyle |7:41.45 (CR)}}

{{MedalBottom}}

At the 2022 World Aquatics Championships in Budapest, Ledecky won all four of her events: the 400 meter freestyle, 1500 meter freestyle, 4 × 200 freestyle relay, and 800-meter freestyle. With four golds, Ledecky expanded her career World Championships medal haul to 22, passing Natalie Coughlin for most for a female swimmer.{{Cite news |date=June 24, 2022 |title=Ledecky stretches 22-medal record at worlds with 800 title |work=Associated Press News |url=https://apnews.com/article/sports-hungary-budapest-katie-ledecky-02d44a8455031d6bbe29a3276afe7b51 |access-date=June 25, 2022}} Ledecky earned FINA's female swimmer of the meet trophy for a third time.{{Cite news |date=June 27, 2022 |title=Ledecky, Marchand Named FINA Swimmers of the Meet |agency=SwimSwam |url=https://swimswam.com/ledecky-marchand-named-fina-swimmers-of-the-meet-u-s-wins-team-trophy-at-worlds/|access-date=June 27, 2022}}

On the first day of competition, Ledecky won the 400-meter freestyle in a championship record 3:58.15, besting Canadian silver medalist Summer McIntosh by 1.24 seconds. Ledecky's swim was the seventh-fastest performance in history.{{Cite news |date=June 18, 2022 |title=Katie Ledecky Pulls Away from Field to Retake 400 Free World Title |agency=Swimming World |url=https://www.swimmingworldmagazine.com/news/world-championships-katie-ledecky-pulls-away-from-summer-mcintosh-to-retake-400-free-world-title/|access-date=June 25, 2022}}

Ledecky won the 1500-meter freestyle two days later in a time of 15:30.15, over 14 seconds faster than runner-up and teammate Katie Grimes. Ledecky's time was the sixth-fastest ever (behind only her own performances) and over 7 seconds faster than her winning time at the Tokyo 2020 Olympics.{{Cite news |date=June 22, 2022 |title=Ledecky extends record medal haul at swimming worlds to 21 |agency=Associated Press |url=https://www.washingtonpost.com/sports/ledecky-extends-record-medal-haul-at-swimming-worlds-to-21/2022/06/22/bb21d45e-f273-11ec-ac16-8fbf7194cd78_story.html|access-date=June 25, 2022}}

Ledecky joined Claire Weinstein, Leah Smith, and Bella Sims on the U.S. 4 × 200 freestyle relay on day five. Swimming the third leg, Ledecky passed Australia and Canada to take the lead with the third-fastest split in history (1:53.67). Sims anchored the team to a championship record time of 7:41.45.

On day 7, Ledecky won her final event by over 10 seconds, recording a time of 8:08.04 in the 800-meter freestyle. The swim was the fifth-fastest in history and earned Ledecky the 28 fastest times in the distance. With the victory, Ledecky became the first swimmer, male or female, to win five consecutive world championship titles in an individual event.

At the 2022 USA Swimming Championships in Irvine, Ledecky won three gold medals by finishing first in the 200-meter freestyle (1:54.50), the 800-meter freestyle (8:12.03), and the 400-meter individual medley (4:35.77).

On October 29, during the Toronto round of the FINA Swimming World Cup, Ledecky swam the 1500m short course event for the first time. She set a time of 15:08.24, breaking the previous world record set by German swimmer Sarah Köhler by almost 10 seconds.{{Cite web |last=Keith |first=Braden |date=October 30, 2022 |title=Katie Ledecky Breaks 1500 Free World Record by 10 Seconds; Gets 800 AR En Route |url=https://swimswam.com/katie-ledecky-breaks-1500-free-world-record-by-10-seconds-gets-800-ar-en-route/ |access-date=October 30, 2022 |website=SwimSwam }}

The following week at the World Cup's Indianapolis stop, Ledecky broke the world record in the 800m short course freestyle. Her time of 7:57.42 surpassed Mireia Belmonte's mark from 2013.{{Cite web|date=October 30, 2022 |title=Katie Ledecky Breaks Second World Record In A Week|url=https://olympics.nbcsports.com/2022/11/05/katie-ledecky-world-record-swimming-800-meters-freestyle/ |access-date=November 5, 2022 |website=NBC OlympicTalk }}

At the 2023 USA Swimming Championships in Indianapolis, Ledecky won three gold medals (400-, 800- and 1500-meter freestyle) and a silver medal (200-meter freestyle). Her times in the 800-meter freestyle (8:07.07) and 1500-meter freestyle (15:29.64) were the third- and sixth-fastest times in history, trailing only her own performances.{{Cite news |last=Newberry |first=Paul |date=June 27, 2023 |title=Katie LEdecky joins an elite club with another dominating performance at the US nationals |language=en |work=Associated Press|url=https://apnews.com/article/katie-ledecky-us-nationals-800-freestyle-57ba74a232994e1905e3b2ba69e7b585 |access-date=2023-08-18}}

{{MedalTableTop|name=no|header=2023 World Championships}}

{{MedalGold | 800 m freestyle | 8:08.87}}

{{MedalGold | 1500 m freestyle | 15:26.27}}

{{MedalSilver | 400 m freestyle | 3:58.73}}

{{MedalSilver| 4 × 200 m freestyle |7:41.38}}

{{MedalBottom}}

At the 2023 World Aquatics Championships in Fukuoka, Japan, Ledecky won two gold medals and two silver medals. Her 16th career individual gold medal surpassed Michael Phelps for most individual gold medals at the world championships.{{Cite news |last=McCarthy |first=Kelly |date=July 31, 2023 |title=Katie Ledecky surpasses Michael Phelps with new record for individual world swimming titles |language=en |work=Good Morning America |url=https://www.goodmorningamerica.com/culture/story/katie-ledecky-surpasses-michael-phelps-new-record-individual-101866755 |access-date=2023-08-12}}

On the first day of competition, Ledecky placed second in the 400-meter freestyle to Ariarne Titmus, who set a new world record in the event (3:55.38). Ledecky's time of 3:58.73 topped New Zealand's Erika Fairweather (3:59.59) and Canada's Summer McIntosh (3:59.94) in the first women's 400-meter race that saw four swimmers break the 4-minute barrier.{{Cite news |last=Race |first=Retta |date=July 23, 2023 |title=Ariarne Titmus Reclaims World Record in 400 Free for Fukuoka Gold |language=en |work=SwimSwam |url=https://swimswam.com/ariarne-titmus-reclaims-world-record-in-400free-for-fukuoka-gold/ |access-date=2023-08-18}}

Two days later, Ledecky won the 1500-meter freestyle by over 17 seconds. Her time of 15:26.27 was the third-fastest time in history, trailing only her world and world championship records.{{Cite news |last=Li |first=Yanyan |date=July 25, 2023 |title=Ledecky Swims #3 1500 FR Performance VEver, Ties Phelps with Most Individual Worlds Golds |language=en |work=SwimSwam |url=https://swimswam.com/ledecky-swims-3-1500-fr-performance-ever-ties-phelps-with-most-individual-worlds-golds/#:~:text=In%20the%20finals%20of%20the,performances%20ever%20in%20the%20event. |access-date=2023-08-18}}

Ledecky joined Erin Gemmell, Bella Sims, and Alex Shackell to earn the silver medal in the 4 × 200 m freestyle relay. Ledecky swam the second leg and posted a team-best split of 1:54.39 as Australia lowered the world record by 1.79 seconds.

Ledecky concluded her meet on Day 7 with the final of the 800-meter freestyle. Ledecky posted the sixth-fastest time in history (8:08.87) to top China's Li Bingjie by 4.44 seconds. Li and Ariarne Titmus became the second- and third-fastest performers ever in the event, while Ledecky retained the 29 fastest times in history. With the victory, Ledecky passed Michael Phelps as the swimmer with the most career individual world championship gold medals and became the first swimmer to win six-straight world titles in an event.{{Cite news |last=Li |first=Yanyan |date=July 29, 2023 |title=Ledecky Wins Sixth-Straight 800 FR, Breaks Phelps' Individual World Champs Golds Record |language=en |work=SwimSwam |url=https://swimswam.com/ledecky-wins-sixth-straight-800-fr-breaks-phelps-individual-world-champs-golds-record/ |access-date=2023-08-18}}

File:S20240808KR-0786 (53927262180).jpg in August 2024]]

Ledecky's memoir, Just Add Water, was published on June 11.{{Cite news |date=June 11, 2024 |title=Local Olympian releases memoir |url=https://www.wusa9.com/video/news/local/maryland/local-olympian-releases-memoir/65-8d34da02-cea6-4ce3-beb8-05d70a5470cc |url-status=live |archive-url=https://web.archive.org/web/20240616020908/https://www.wusa9.com/video/news/local/maryland/65-8d34da02-cea6-4ce3-beb8-05d70a5470cc |archive-date=June 16, 2024 |access-date=June 15, 2024 |work=WUSA |language=en-US}} In the book, she discloses that she has postural orthostatic tachycardia syndrome.{{cite news |last1=Robertson |first1=Rachael |title=Katie Ledecky Has POTS. Swimming May Help Her Manage It. |url=https://www.medpagetoday.com/popmedicine/cultureclinic/111394 |access-date=14 August 2024 |work=MedPage Today |date=6 August 2024 |archive-url=https://archive.today/20240808213337/https://www.medpagetoday.com/popmedicine/cultureclinic/111394 |archive-date=8 August 2024 |url-status=live}}

At the 2024 US Olympic trials, Ledecky qualified for her fourth Olympics. She finished in first place in four events: 200-meter freestyle (1:55.22), 400-meter freestyle (3:58.35), 800-meter freestyle (8:14.12), and 1500-meter freestyle (15:37.35).{{Cite news |last=Bushnell |first=Henry |date=June 15, 2024 |title=U.S. swimming trials: Katie Ledecky qualifies for her fourth Olympics — where she'll be an underdog |url=https://sports.yahoo.com/us-swimming-trials-katie-ledecky-qualifies-for-her-fourth-olympics--where-shell-be-an-underdog-004145054.html |access-date=June 15, 2024 |work=Yahoo! Sports |language=en-US}}{{Cite web |last=Brennan |first=Christine |title=Katie Ledecky dominates 1,500 at Olympic trials, exactly as expected |url=https://www.usatoday.com/story/sports/olympics/2024/06/19/katie-ledecky-olympic-trials-1500-win/74152774007/ |access-date=2024-07-27 |website=USA TODAY |language=en-US}}{{Cite news |agency=Associated Press |date=2024-06-18 |title=Ledecky wins 200m freestyle at US Olympic trials with best events to come |url=https://www.theguardian.com/sport/article/2024/jun/18/ledecky-wins-200m-freestyle-at-us-olympic-trials-with-best-events-to-come |access-date=2024-07-27 |work=The Guardian |language=en-GB |issn=0261-3077}}{{Cite web |last=Lewis |first=Aimee |date=2024-06-23 |title=Katie Ledecky makes history with 800m freestyle victory at US Olympic trials |url=https://www.cnn.com/2024/06/23/sport/katie-ledecky-history-us-olympic-trials-spt-intl/index.html |access-date=2024-07-27 |website=CNN |language=en}}

{{see also|Swimming at the 2024 Summer Olympics}}

{{MedalTableTop|name=no|header=2024 Summer Olympics}}

{{MedalGold|800 m freestyle|8:11.04}}

{{MedalGold | 1500 m freestyle | 15:30.02 (OR)}}

{{MedalSilver | 4x200 m freestyle| 7:40.86 }}

{{MedalBronze | 400 m freestyle | 4:00.86 }}

{{MedalBottom}}

On the first night of the 2024 Summer Olympics in Paris, Ledecky finished third in the 400-metre freestyle behind Ariarne Titmus and Summer McIntosh.{{Cite web |last=Brennan |first=Christine |title=Katie Ledecky wins 400 free bronze in her first Olympic final in Paris |url=https://www.usatoday.com/story/sports/olympics/2024/07/27/paris-2024-katie-ledecky-womens-400-freestyle/74571586007/ |access-date=2024-07-27 |website=USA TODAY |language=en-US}} Ledecky later defended her title in the 1500 metre freestyle event, setting the new Olympic record with a time of 15:30:02.{{Cite web |last= |first= |title= WOMEN'S 1500M FREESTYLE FINAL RESULTS |url=https://olympics.com/en/paris-2024/results/swimming/women-s-1500m-freestyle/fnl-000100-- |access-date=2024-07-31 |website=olympics.com |language=en-US}} She won her fourth consecutive gold medal and eighth individual gold (an all-time record for women at the Olympics, a new all-time record for women at the Olympics, the previous one set by gymnast Věra Čáslavská had stood for 56 years) in the 800 metre freestyle and also competed in the 4x200m freestyle relay, joined by Claire Weinstein, Paige Madden, and Erin Gemmell.[https://sports.yahoo.com/claire-weinstein-misses-podium-200m-030806142.html "Claire Weinstein misses podium in 200m freestyle, places 8th,"] NBC Sports. With a collective time of 7:40.86, the team won the silver medal.{{cite web |title=Las Vegas swimmer Claire Weinstein wins silver in 4x200 Olympic relay |date=August 2024 |url=https://news3lv.com/news/local/las-vegas-swimmer-claire-weinstein-wins-silver-in-4x200-olympic-relay-katie-ledecky-paige-madden-erin-gemmell-paris-games-summer-2024 |access-date=2 August 2024}}

File:President Joe Biden presents the Medal of Freedom to Katie Ledecky.jpg after she accepted the Presidential Medal of Freedom in June 2024]]

Ledecky was a USA Olympic team member in 2012, 2016, 2020, and 2024. She also holds the women's record for most individual gold medals (16) and overall gold medals (21) at the World Aquatics Championships.

Her combined 24 individual titles at the Olympics (8) and World Aquatics Championships (16) is also a record for female swimmers.

Ledecky has also received the following awards:{{Cite journal |url=https://www.collegiatewomensportsawards.com/releases/2016-17/20170626cupwinner |title=Stanford Swimming Standout Katie Ledecky Wins Honda Cup; Named Collegiate Woman Athlete of the Year |date=June 26, 2017 |website=CWSA |access-date=March 23, 2020}}

• Swimming World World Swimmer of the Year Award: 2013, 2014, 2015, 2016, 2018
• Swimming World American Swimmer of the Year Award: 2013, 2014, 2015, 2016, 2017, 2018, 2021, 2022Serowik, Lauren (December 1, 2021). [https://www.swimmingworldmagazine.com/news/swimming-world-december-2021-presents-2021-world-swimmers-of-the-year-caeleb-dressel-and-emma-mckeon-available-now// "Swimming World December 2021 Presents – 2021 World Swimmers of the Year: Caeleb Dressel and Emma McKeon"]. Swimming World. Retrieved December 5, 2021.
• SwimSwam Top 100 (Women's): 2021 (#1),Ortegon, Karl (February 16, 2021). [https://swimswam.com/swimmings-top-100-for-2021-women-10-1/ "SwimSwam's Top 100 For 2021: Women's #10 — #1"]. SwimSwam. Retrieved October 11, 2021. 2022 (#1)Sutherland, James (January 21, 2022). [https://swimswam.com/swimswams-top-100-for-2022-womens-10-1/ "SwimSwam's Top 100 For 2022: Women's #10–1"]. SwimSwam. Retrieved January 21, 2022.
• FINA World Championships Best Female Swimmer: 2013,{{cite web |last= |first= |date=5 August 2013 |title=Katie Ledecky of the United States, left, holds the FINA Best Female Swimmer of the event trophy and China's Sun Yang holds the Best Male swimmer trophy at the FINA Swimming World Championships in Barcelona, Spain, Sunday, Aug. 4, 2013|url=https://www.alamy.com/katie-ledecky-of-the-unted-states-left-holds-the-fina-best-female-swimmer-of-the-event-trophy-and-chinas-sun-yang-holds-the-best-male-swimmer-trophy-at-the-fina-swimming-world-championships-in-barcelona-spain-sunday-aug-4-2013-ap-photomanu-fernandez-image520631908.html |accessdate=5 August 2013 |work=Alamy}} 2015,{{cite web |last= |first= |date=10 August 2015 |title=Sun Yang, Katie Ledecky receive best athlete award in Kazan |url=http://www.ecns.cn/visual/hd/2015/08-10/73480.shtml |accessdate=10 August 2015 |work=Ecns.cn}} 2022{{cite web |last= |first= |date=27 June 2022 |title=LEDECKY, MARCHAND NAMED FINA SWIMMERS OF THE MEET; U.S. WINS TEAM TROPHY AT WORLDS |url=https://swimswam.com/ledecky-marchand-named-fina-swimmers-of-the-meet-u-s-wins-team-trophy-at-worlds/ |accessdate=27 June 2022 |work=SwimSwam}}{{cite web |last= |first= |date=26 June 2022 |title=Mondiaux de natation : Léon Marchand et Katie Ledecky désignés meilleurs nageurs |url=https://www.20minutes.fr/sport/3315435-20220626-mondiaux-natation-leon-marchand-katie-ledecky-designes-meilleurs-nageurs |accessdate=27 June 2022 |work=20 Minutes}}
• FINA Swimmer of the Year: 2013, 2022{{Cite web |last=Keith |first=Braden |date=2014-01-06 |title=FINA Names Ryan Lochte, Katie Ledecky 2013 Swimmers of the Year |url=https://swimswam.com/fina-names-ryan-lochte-katie-ledecky-2013-swimmers-year/ |url-status=live |archive-url=https://web.archive.org/web/20231019201611/https://swimswam.com/fina-names-ryan-lochte-katie-ledecky-2013-swimmers-year/ |archive-date=2023-10-19 |access-date=2024-04-15 |website=SwimSwam |language=en-US}}{{Cite web |last=Keith |first=Braden |date=2023-08-05 |title=Katie Ledecky, David Popovici Named 2022 World Aquatics Swimmers of the Year |url=https://swimswam.com/katie-ledecky-david-popovici-named-2022-world-aquatics-swimmers-of-the-year/ |url-status=live |archive-url=https://web.archive.org/web/20240329144803/https://swimswam.com/katie-ledecky-david-popovici-named-2022-world-aquatics-swimmers-of-the-year/ |archive-date=2024-03-29 |access-date=2024-04-15 |website=SwimSwam |language=en-US}}
• FINA Best Swimming Performance of the Year: 2015, 2016
• Associated Press Female Athlete of the Year: 2017, 2022
• L'Équipe Champion of Champions: 2014, 2017
• Time 100: 2016 (youngest person on the list){{cite magazine |url=http://time.com/4299717/katie-ledecky-2016-time-100/ |title=TIME 100 Titans Katie Ledecky |first1=Janet |last1=Evans |date=April 21, 2016 |magazine=Time |access-date=April 21, 2016}}{{cite web |url=http://www.swimvortex.com/time-honors-distance-star-katie-ledecky-as-one-of-its-top-100-influential-people/ |title=TIME Honors Distance Star Katie Ledecky As One Of Its Top 100 Influential People |first1=John |last1=Lohn |date=April 21, 2016 |publisher=Swimvortex |access-date=April 21, 2016 |archive-url=https://web.archive.org/web/20160424074406/http://www.swimvortex.com/time-honors-distance-star-katie-ledecky-as-one-of-its-top-100-influential-people/ |archive-date=April 24, 2016 |url-status=dead}}
• USOC SportsWoman of the Year: 2012–13, 2016, 2017
• USA Swimming Athlete of the Year: 2013, 2014, 2015, 2016, 2018{{cite web |title=Katie Ledecky Claims Record-Tying Fifth USA Swimming Athlete of the Year Honor |url=https://www.usaswimming.org/news-landing-page/2018/09/30/katie-ledecky-claims-record-tying-fifth-usa-swimming-athlete-of-the-year-honor |website=USA Swimming |access-date=October 1, 2018}}
• USA Swimming Performance of the Year Award: 2012, 2013, 2014, 2015, 2016
• Golden Goggle Female Athlete of the Year: 2013, 2014, 2015, 2016, 2017, 2018, 2021, 2022, 2023Griswold, Molly (December 7, 2021). [https://www.swimmingworldmagazine.com/news/2021-golden-goggle-award-winners/ "2021 Golden Goggle Award Winners"]. Swimming World. Retrieved December 7, 2021.
• Golden Goggle Female Race of the Year: 2012, 2013, 2014, 2015, 2022
• Golden Goggle Breakout Performer of the Year: 2012
• Honda Sports Award Winner for NCAA Division I Swimming and Diving: 2016–17{{cite web |title=Ledecky Wins Honda Award |url=http://www.gostanford.com/news/2017/4/7/womens-swimming-diving-ledecky-wins-honda-award.aspx |website=Go Stanford |access-date=May 17, 2017}}
• Honda Cup Winner: 2016–17{{cite news |title=Stanford swimmer Katie Ledecky wins Honda Cup |url=https://www.washingtonpost.com/sports/colleges/stanford-swimmer-katie-ledecky-wins-honda-cup/2017/06/26/c6c63312-5ae4-11e7-aa69-3964a7d55207_story.html |newspaper=The Washington Post |access-date=June 26, 2017}}{{dead link|date=June 2021|bot=medic|fix-attempted=yes}}{{cbignore|bot=medic}}
• Women's Sports Foundation Athlete of the Year (Individual Sport): 2017
• Academic All-America Team Member of the Year, Division I: 2017–2018{{Cite news |url=https://www.washingtonpost.com/news/dc-sports-bog/wp/2018/07/19/katie-ledecky-wins-top-academic-honor-among-all-division-i-athletes/ |title=Katie Ledecky wins top academic honor among all Division I athletes |last=Allen |first=Scott |date=July 19, 2018 |newspaper=The Washington Post |access-date=July 25, 2018}}
• Best Female Athlete ESPY Award at the 2022 ESPY Awards{{Cite web |date=July 22, 2022 |title=ESPY Awards 2022: Katie Ledecky Wins Best Female Athlete Award |url=https://glamstyled.com/espys-2022-katie-ledecky-wins-best-athlete-award/ |access-date=July 22, 2022 |website=Glamstyled.com }}
• Best Female Olympian ESPY Award at the 2022 ESPY Awards

Ledecky has also received the following honors:

• Presidential Medal of Freedom: 2024{{cite news |last1=Schad |first1=Tom |title=Katie Ledecky, Jim Thorpe among 2024 Presidential Medal of Freedom recipients by Joe Biden |url=https://www.usatoday.com/story/sports/olympics/2024/05/03/katie-ledecky-jim-thorpe-awarded-presidential-medal-of-freedom/73549309007/ |work=USA Today |date=May 3, 2024}}{{cite web|url=https://bidenwhitehouse.archives.gov/briefing-room/statements-releases/2024/05/03/president-biden-announces-recipients-of-the-presidential-medal-of-freedom-2/|publisher=The White House|title=President Biden Announces Recipients of the Presidential Medal of Freedom|date=May 3, 2024|access-date=May 3, 2024}}{{cite news |last1= |first1= |title=KATIE LEDECKY AWARDED U.S. PRESIDENTIAL MEDAL OF FREEDOM, NATION'S HIGHEST CIVILIAN HONOUR |url=https://olympics.com/en/news/katie-ledecky-awarded-usa-presidential-medal-reedom-highest-civilian-honour-swimming |work=Olympics |date=May 4, 2024}}
• Golden Plate Award of the American Academy of Achievement: 2024 – presented by Cal Ripken Jr.{{cite web |title=Golden Plate Awardees of the American Academy of Achievement |url= https://achievement.org/our-history/golden-plate-awards/#sports|website=achievement.org|publisher=American Academy of Achievement}}
• In October 2024, Montgomery County executive Marc Elrich presented Ledecky with a proclamation declaring October 17 as "Katie Ledecky Day".{{cite news |last1=Bixby |first1=Ginny |last2=Griffin |first2=Elia |title='Katie Ledecky Day': MoCo honors local Olympic superstar |url=https://moco360.media/2024/10/17/olympic-katie-ledecky-day/ |access-date=October 17, 2024 |work=MoCo360 |date=October 17, 2024}}

{{updated|August 13, 2024}}

{{swimmingrecordlegend|WR=yes|code1=NR|legend1=American record}}

{{swimmingrecordlegend|WR=yes|code1=NR|legend1=American record}}

{{swimmingrecordlegend|code1=NR|legend1=American record}}

• Author, Just Add Water: My Swimming Life. 2024. Simon & Schuster{{cite news |last1= |first1= |title=Book Review: Katie Ledecky dishes on what makes an Olympic legend in 'Just Add Water'|url=https://apnews.com/article/just-add-water-katie-ledecky-book-review-06a9bfdf233cb608b611a55873510d25 |work=AP News |date=June 11, 2024}}{{cite news |last1= |first1= |title=Just Add Water: My Swimming Life Hardcover – June 11, 2024|work=Amazon.com |date=June 11, 2024|isbn= 978-1668060209}}

{{Portal bar|Biography|Olympics}}

• List of Olympic medalists in swimming (women)
• List of multiple Olympic gold medalists
• List of select Jewish swimmers
• List of top Olympic gold medalists in swimming
• List of World Aquatics Championships medalists in swimming (women)
• List of individual gold medalists in swimming at the Olympics and World Aquatics Championships (women)
• List of world records in swimming
• World record progression 400 metres freestyle
• World record progression 800 metres freestyle
• World record progression 1500 metres freestyle
• List of USOC Athlete of the Year award winners
• List of Associated Press Athletes of the Year

{{Reflist}}

{{Commons category}}

{{wikiquote}}

• {{Sports links|properties=-P4063}}
• {{Team USA|new_id=katie-ledecky-851377|old_id=LE/Katie-Ledecky|archive=20230414235207}}
• {{web archive |url=https://web.archive.org/web/20120716031200/http://www.stoneridgeschool.org/page.cfm?p=4802 |title=Katie Ledecky – Stone Ridge School student-athlete profile |date=mdy}}

{{s-start}}

{{s-ach|rec}}

{{succession box

| before =
Kate Ziegler

| title = Women's 1500-meter freestyle
world record-holder (long course)

| years = July 30, 2013 – present

| after =
Incumbent

}}

{{succession box

| before =
Rebecca Adlington

| title = Women's 800-meter freestyle
world record-holder (long course)

| years = August 3, 2013 – present

| after =
Incumbent

}}

{{succession box

| before =
Federica Pellegrini

| title = Women's 400-meter freestyle
world record-holder (long course)

| years = August 9, 2014 – May 22, 2022

| after =
Ariarne Titmus

}}

{{succession box

| before =
Sarah Köhler

| title = Women's 1500-meter freestyle
world record-holder (short course)

| years = October 29, 2022 – present

| after =
Incumbent

}}

{{succession box

| before =
Mireia Belmonte

| title = Women's 800-meter freestyle
world record-holder (short course)

| years = November 5, 2022 – present

| after =
Incumbent

}}

{{s-ach|aw}}

{{succession box

| title = Swimming World
World Swimmer of the Year

| before = Missy Franklin
Sarah Sjöström

| after = Sarah Sjöström
Regan Smith

| years = 2013–2016
2018

|}}

{{succession box

| title = FINA Swimmer of the Year

| before = Missy Franklin
Emma McKeon

| after = Katinka Hosszú

| years = 2013, 2022

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{{succession box

| title = Swimming World
American Swimmer of the Year

| before = Missy Franklin
Regan Smith

| after = Regan Smith
Incumbent

| years = 2013–2018
2021–2022

}}

{{succession box

| title = USOC Sportswoman of the Year

| before = Allyson Felix
Simone Biles

| after = Simone Biles
Chloe Kim

| years = 2012–13
2016–2017

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{{succession box

| title = L'Équipe Champion of Champions

| before = Serena Williams
Simone Biles

| after = Serena Williams
Simone Biles

| years = 2014
2017

}}

{{succession box

| title = Associated Press Athlete of the Year

| before = Simone Biles
Candace Parker

| after = Serena Williams
Simone Biles

| years = 2017
2022

}}

{{s-end}}

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{{DEFAULTSORT:Ledecky, Katie}}

Category:1997 births

Category:Living people

Category:American disabled sportspeople

Category:American female freestyle swimmers

Category:American people of Czech descent

Category:American people of Irish descent

Category:American people of Jewish descent

Category:American Roman Catholics

Category:Medalists at the 2012 Summer Olympics

Category:Medalists at the 2016 Summer Olympics

Category:Medalists at the 2020 Summer Olympics

Category:Medalists at the 2024 Summer Olympics

Category:Olympic bronze medalists for the United States in swimming

Category:Olympic gold medalists for the United States in swimming

Category:Olympic silver medalists for the United States in swimming

Category:Presidential Medal of Freedom recipients

Category:Schools of the Sacred Heart alumni

Category:Sportspeople from Bethesda, Maryland

Category:Sportswomen with disabilities

Category:Stanford Cardinal women's swimmers

Category:Swimmers at the 2012 Summer Olympics

Category:Swimmers at the 2016 Summer Olympics

Category:Swimmers at the 2020 Summer Olympics

Category:Swimmers at the 2024 Summer Olympics

Category:Swimmers from Maryland

Category:Swimmers from Washington, D.C.

Category:Swimmers with disabilities

Category:World Aquatics Championships medalists in swimming

Category:World record holders in swimming

Category:21st-century American sportswomen

Category:Florida Gators swimming coaches