Chevrolet Grand Prix

File:2003 Grand Prix of Mosport Grid.jpg

File:2007 Grand Prix of Mosport Turn 1 race action.jpg

In 1961 the first international professional sportscar races at Mosport Park took place with the inaugural Players 200 in June won by Stirling Moss and the first Canadian Grand Prix won by Peter Ryan in September as part of the Canadian Sportscar Championship.{{Cite web|last=Makse|first=Brian|title=Tracing the colorful, surprising history of Canadian Tire Motorsport Park|url=https://www.imsa.com/news/2020/11/17/tracing-the-colorful-surprising-history-of-canadian-tire-motorsport-park/|access-date=September 17, 2021|website=IMSA.com}}{{Cite news|date=March 24, 1962|title=Grand Prix - Canada's bid for big-time auto racing|work=Maclean’s Magazine|url=https://archive.macleans.ca/article/1962/03/24/grand-prix-canadas-bid-for-big-time-auto-racing|access-date=September 17, 2021|archive-date=September 17, 2021|archive-url=https://web.archive.org/web/20210917155506/https://archive.macleans.ca/article/1962/03/24/grand-prix-canadas-bid-for-big-time-auto-racing|url-status=dead}}{{Cite web|last=Henry|first=Alan|date=June 6, 2014|title=McLaren at Mosport: fast and furious|url=https://www.mclaren.com/racing/blog/alan-henry/mclaren-mosport-fast-and-furious/|access-date=September 17, 2021|website=McLaren.com}} In 1966 the Grand Prix became part of the inaugural Can-Am Series season before becoming a Formula One Grand Prix in 1967.{{Cite web|last=Fagnan|first=René|date=August 27, 2016|title=Jack Brabham won the first Canadian GP on this day in 1967|url=https://www.motorsport.com/f1/news/jack-brabham-won-the-first-canadian-gp-on-this-day-in-1967-810124/810124/|access-date=September 17, 2021|website=Motorsport.com}} The Mosport Can-Am races continued to be part of the Can-Am series through to its demise in 1986 with the track hosting more Can-Am races than any other facility.

File:Audi Sport North America Audi R10 TDI - Winner 2008 Grand Prix of Mosport.jpg has the most wins by a team with 6 victories.]]

In 1975, the International Motor Sports Association sportscars visited the track for the first time when it’s Camel GT Challenge raced during the Labatt's Blue 5000 Weekend sharing the weekend schedule with the SCCA/USAC Formula 5000 Championship.{{Cite news|date=June 4, 1975|title=Labatt's Blue races set for weekend|work=Whitby Free Press|url=http://images.ourontario.ca/Partners/Whitby/002451150p9.pdf|access-date=September 17, 2021}}{{Cite book|last=Brockington|first=Robert J.|title=Mosport 1961-2001: Four Decades of Racing|publisher=Mosport International Raceway|year=2001|editor-last=Aykroyd|editor-first=Steve|pages=52 & 53|editor-last2=Jones|editor-first2=Neal}} The inaugural 100 mile IMSA race was won by Hurley Haywood in a Porsche Carrera.{{Cite web|last=Donnelly|first=Jim|date=June 2011|title=Invading the North - IMSA's GTs charge into Mosport. Wild, eh?|url=https://www.hemmings.com/stories/article/invading-the-north?_gl=1%2a1whxzjr%2a_ga%2aY2lzckpIU1NLRno3NlduR3JLdmVvM01TTlpubkY2c0h0b3lpSDkzMXJ6dUJHQjZLQ1Myanh2dXdFT0xwdUVVNg..|access-date=September 17, 2021|website=Hemmings Sports and Exotics}}

The race was included as part of the World Sports Car Championship on six occasions, for the first time in 1976 and for the final time as the 1985 Mosport 1000 which also marked the final FIA World Championship event to be held at the facility.

From 1989 through 1992, IMSA returned to headline GT only races in May and June for their GTO and GTU classes. With the launch of the new World Sports Cars category in 1995, prototypes returned to the track for the first time in a decade for the Chrysler Mosport 500.

In August of 1999, the American Le Mans Series made its first appearance at the track as the new headline IMSA sanctioned series for the renamed Grand Prix of Mosport weekend.{{Cite web|title=1999 Mosport Park ALMS|url=https://www.motorsportmagazine.com/database/races/1999-mosport-park-alms/|access-date=September 18, 2021|website=Motorsport Magazine}}

The series reintroduced factory backed prototypes designed for the high speeds of the 24 Hours of Le Mans. Prototypes from Audi, BMW, Cadillac, Panoz, Porsche and Acura led to the highest speeds ever recorded at the track. The 2008 Grand Prix of Mosport included the fastest ever lap at the circuit taken by Rinaldo Capello during qualifying in an Audi R10 TDI with a time of 1:04.094.{{Cite news|last=McDonald|first=Norris|date=August 23, 2008|title=Italy's Dindo Capello breaks record at Mosport|work=The Toronto Star|url=https://www.thestar.com/sports/2008/08/23/italys_dindo_capello_breaks_record_at_mosport.html|access-date=September 27, 2021}}{{Cite web|last=Lenssen|first=Jordan|date=July 18, 2013|title=American Le Mans Series at Mosport|url=https://prnmag.com/features/871-american-le-mans-series-at-mosport|access-date=September 27, 2021|website=PRN Motorsport Magazine|archive-date=September 18, 2021|archive-url=https://web.archive.org/web/20210918162838/https://prnmag.com/features/871-american-le-mans-series-at-mosport|url-status=dead}}

Mosport was one of four tracks that would appear on the American Le Mans Series schedule every year for the next fifteen years of the series existence.{{Cite web|last=Lenssen|first=Jordan|date=July 18, 2013|title=American Le Mans Series at Mosport|url=https://prnmag.com/features/871-american-le-mans-series-at-mosport|access-date=September 17, 2021|website=PRN Motorsport Magazine|archive-date=September 18, 2021|archive-url=https://web.archive.org/web/20210918162838/https://prnmag.com/features/871-american-le-mans-series-at-mosport|url-status=dead}}

[[File:Muscle Milk Team Cytosport Porsche RS Spyder Evo - Winner 2010 Grand Prix of Mosport.jpg|thumb|[[Porsche in motorsport|

Porsche]] has the most victories by a manufacturer with 8 overall wins.]]

In 2014, the Grand Prix continued as part of the new IMSA WeatherTech SportsCar Championship following the merger of the American Le Mans Series and the Grand-Am Rolex Sports Car Series.{{Cite news|last=Malloy|first=Gerry|date=September 22, 2013|title=2014 United SportsCar Championship coming to Canada|work=Autofile.ca|url=https://autofile.ca/en-ca/auto-news/2014-united-sportscar-championship-coming-to-canada|access-date=September 18, 2021}}{{Cite news|last=Pruett|first=Marshall|date=September 22, 2013|title=The 2014 United SportsCar Championship schedule is about compromises|work=Road and Track|url=https://www.roadandtrack.com/car-culture/a5504/commentary-2014-tudor-united-sportscar-championship-schedule/|access-date=September 18, 2021}}

In 2020 and 2021, the Grand Prix was not held for the first time in a quarter of a century due to the Covid-19 pandemic.{{Cite news|date=May 15, 2020|title=CTMP Announces Cancellation Of IMSA Mobil 1 SportsCar Grand Prix|work=RaceCanada.ca|url=http://www.racecanada.ca/index.php/news2/road-racing/3897-ctmp-announces-cancellation-of-imsa-mobil-1-sportscar-grand-prix|access-date=September 18, 2021}}{{Cite news|last=Malsher-Lopez|first=David|date=Apr 7, 2021|title=Watkins Glen gains extra IMSA race, Canadian round canceled|work=Motorsport.com|url=https://www.motorsport.com/imsa/news/imsa-watkins-glen-canada-canceled/6138291/|access-date=September 18, 2021}}

{{cite web|title=Mosport International Raceway |url=http://www.ultimateracinghistory.com/racelist3.php?trackid=18|work=Ultimate Racing History|access-date=27 March 2013}}{{cite web|title=Mosport - List of Races |url=http://www.racingsportscars.com/track/archive/Mosport.html|work=Racing Sports Cars |access-date=27 March 2013}}{{Cite web|url=http://results.imsa.com/Results/18_2018/13_Canadian%20Tire%20Motorsport%20Park/01_IMSA%20WeatherTech%20SportsCar%20Championship/201807081405_Race/03_Results_Race_Official.PDF|title=Official Race Results|website=International Motor Sports Association|archive-url=https://web.archive.org/web/20181209044750/http://results.imsa.com/Results/18_2018/13_Canadian%20Tire%20Motorsport%20Park/01_IMSA%20WeatherTech%20SportsCar%20Championship/201807081405_Race/03_Results_Race_Official.PDF|archive-date=2018-12-09|access-date=2018-09-24}}{{cite web|url=https://www.imsa.com/news/2021/08/06/state-of-the-sport-sets-table-for-momentous-2022-imsa-season/|title=State of the Sport Sets Table for Momentous 2022 IMSA Season|date=6 August 2021|work=imsa.com|publisher=International Motor Sports Association, LLC|accessdate=16 August 2021}}

• Chevrolet Silverado 250
• Mosport 200
• Mosport Can-Am
• Mosport Trans-Am
• Canadian Grand Prix
• Canadian Motorcycle Grand Prix
• Telegraph Trophy 200 / Molson Diamond Indy

{{reflist}}

• [http://sportscarchampionship.imsa.com/ United SportsCar Championship official site]
• [http://www.ultimateracinghistory.com/racelist3.php?trackid=18 Ultimate Racing History Mosport archive]
• [https://web.archive.org/web/20150221222225/http://wsrp.ic.cz/wsc.html World Sports Racing Prototypes WSC archive]

{{Grand Prix of Mosport}}

{{Automobile endurance races}}

{{ALMS races}}

{{United SportsCar Championship races}}

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Category:Sports car races

Category:Sports competitions in Ontario

Category:Clarington

Category:Auto races in Canada

Category:1975 establishments in Ontario

Category:Recurring sporting events established in 1975

Category:Tourist attractions in the Regional Municipality of Durham