Isack Hadjar

Isack Alexandre Hadjar was born on 28 September 2004 in Paris, France to an Algerian family of physicians and physicists.{{Cite web |url=https://www.si.com/fannation/racing/f1briefings/news/isack-hadjar-what-you-need-to-know-ahead-of-his-debut-f1-season-alongside-yuki-tsunoda-01jfj2cfncg5 |last=Harrington |first=Alex |title=Isack Hadjar: What You Need To Know Ahead Of His Debut F1 Season Alongside Yuki Tsunoda |website=Sports Illustrated |publisher=Minute Media |date=20 December 2024 |access-date=21 March 2025}} His father, Yassine Hadjar, is a researcher in quantum mechanics and also served as his kart mechanic.{{Cite news |url=https://www.latribune.fr/la-tribune-dimanche/sports/formule-1-hadjar-la-nouvelle-star-1020097.html |title=Formule 1 : Hadjar, la nouvelle star ? |trans-title=Formula 1: Hadjar, the new star? |last=Colineau |first=Stéphane |date=9 March 2025 |work=La Tribune |publisher=CMA CGM |language=fr |issn=2139-0193 |access-date=23 March 2025 |archive-url=https://web.archive.org/web/20250309071821/https://www.latribune.fr/la-tribune-dimanche/sports/formule-1-hadjar-la-nouvelle-star-1020097.html |archive-date=9 March 2025 |url-status=live}}{{Cite news |url=https://www.thenationalnews.com/sport/f1/2024/12/08/isack-hadjars-busy-abu-dhabi-weekend-could-end-with-a-future-in-f1/ |title=Isack Hadjar's busy Abu Dhabi weekend could end with a future in F1 |last=Abulleil |first=Reem |date=8 December 2024 |work=The National |publisher=International Media Investments |access-date=19 December 2024}} He holds dual French and Algerian citizenship.{{Cite web|url=https://www.formula1.com/en/latest/article/horner-names-the-red-bull-junior-making-a-strong-case-for-an-f1-debut-in.5pUmPGekc8JXoPlwGl8kQU |website=Formula 1 |publisher=Formula One Group |title=Horner names the Red Bull junior 'making a strong case' for an F1 debut in 2025 |date=17 July 2024 |access-date=24 November 2023}}

Hadjar initially grew fond of motorsport after watching the Pixar animated movie Cars. His parents bought him a go-kart when he was seven, a year after he started watching Formula One. He also contested boxing and judo at a young age.

Hadjar started competitive kart racing in 2012.{{Cite web |url=https://isackhadjar.com/about-me/biography |title=Biography |website=Isack Hadjar |access-date=19 December 2024}} After initially competing in national championships, Hadjar progressed to the international scene in 2017. Hadjar competed in the 2018 Karting World Championship and finished 22nd.{{Cite web|title=FIA Karting World Championship - OK Junior 2018 Standings|url=https://www.driverdb.com/championships/world-championship-ok-junior/2018|access-date=7 February 2025|website=DriverDB|language=en}}

In 2019, Hadjar made his single seater debut in the French F4 Championship.{{Cite web |last=McClure |first=Michael |last2=Kra-Caskey |first2=Calla |last3=Lloyd |first3=Martin |last4=Wolff-Taffus |first4=Perceval |date=2024-12-20 |title=F2 runner-up Hadjar earns RB F1 race seat for 2025 |url=https://feederseries.net/2024/12/20/f2-runner-up-hadjar-earns-rb-f1-race-seat-for-2025/ |access-date=2024-12-23 |website=Feeder Series |language=en}} Despite struggling to push down fully on the car's pedals owing to his low height at the start of the season, Hadjar was able to achieve his first single-seater win at Spa during the third round.{{cite web|last=Harris-Gardiner|first=Rachel|date=25 February 2019|title=Jules Mettetal wins Volant Winfield to earn season in French F4|url=http://www.formulascout.com/jules-mettetal-wins-volant-winfield-to-earn-season-in-french-f4/48558|work=FormulaScout}} Hadjar earned another podium at the Circuit de Lédenon, with a second place in the final race.{{Cite web|last=Allen|first=Peter|date=|title=Mixed fortunes for French F4 leader Hadrien David at Ledenon|url=https://formulascout.com/french-f4-ledenon-hadrien-david/52080|access-date=7 February 2025|website=Formula Scout|language=en-GB}} The final three rounds of the season, were hampered by three retirements, but he still managed to score a decent haul of points to finish seventh in the standings, claiming second in the junior class to Victor Bernier.

Hadjar raced in two weekends of the F4 UAE Championship during the winter of 2020 with 3Y Technology.{{Cite web|last=Hillman|first=Rachel|date=13 February 2020|title=Isack Hadjar and Josef Knopp added to F4 UAE field for Abu Dhabi|url=https://formulascout.com/isack-hadjar-and-josef-knopp-added-to-f4-uae-field-for-abu-dhabi/59601|access-date=7 February 2025|website=Formula Scout|language=en-GB}}{{cite web|date=11 February 2020|title=Entry List Round 3: Yas Marina Circuit|url=https://www.f4uae.com/images/Events/2020_Events/R3_Docs/2020_F4UAE_Entry_List_Round_3_V2-compressed.pdf|work=F4uae.com|access-date=25 January 2021|archive-date=26 September 2020|archive-url=https://web.archive.org/web/20200926043041/https://www.f4uae.com/images/Events/2020_Events/R3_Docs/2020_F4UAE_Entry_List_Round_3_V2-compressed.pdf|url-status=dead}} He had a highest finish of fourth place during the final round. Overall, he scored 56 points, leading to Hadjar placing eleventh in the championship.

Hadjar then once again drove in the French F4 Championship.{{Cite web|last=Wood|first=Ida|date=18 August 2020|title=Karting world champion Marijn Kremers switches to French F4|url=https://formulascout.com/karting-world-champion-marijn-kremers-switches-to-french-f4/66517|access-date=7 February 2025|website=Formula Scout|language=en-GB}} Scoring a podium on debut, Hadjar scored regular rostrums in the first half of the season but did not win.{{Cite web|last=Waring|first=Bethonie|date=22 August 2020|title=Ayumu Iwasa leads Honda junior 1-2 in French F4 season opener|url=https://formulascout.com/iwasa-leads-honda-junior-1-2-in-french-f4-season-opener/66727|access-date=7 February 2025|website=Formula Scout|language=en-GB}} However in the penultimate round in Paul Ricard, Hadjar scored a pole position and held off Ayumu Iwasa to win his first race of the year.{{Cite web|last=Waring|first=Bethonie|date=13 November 2020|title=Hadjar on pole for first of French F4’s back-to-back Paul Ricard rounds|url=https://formulascout.com/hadjar-on-pole-for-first-of-french-f4s-back-to-back-paul-ricard-rounds/70939|access-date=7 February 2025|website=Formula Scout|language=en-GB}}{{Cite web|last=Waring|first=Bethonie|date=13 November 2020|title=Hadjar holds off Iwasa for first French F4 victory of 2020|url=https://formulascout.com/hadjar-holds-off-iwasa-for-first-french-f4-victory-of-2020/70966|access-date=7 February 2025|website=Formula Scout|language=en-GB}} Hadjar would also win the third race of the round after another battle with Iwasa.{{Cite web|last=Waring|first=Bethonie|date=15 November 2020|title=Hadjar denies Iwasa victory and an early title in French F4|url=https://formulascout.com/hadjar-denies-iwasa-victory-and-an-early-title-in-french-f4/71069|access-date=7 February 2025|website=Formula Scout|language=en-GB}} At the third Paul Ricard round, he took the victor honours for a third time during the first race; he finished fifth and sixth in the final two races.{{Cite web|last=Wood|first=Ida|date=21 November 2020|title=Hadjar and Cabirou win Saturday races of French F4 Paul Ricard finale|url=https://formulascout.com/hadjar-and-cabirou-win-saturday-races-of-french-f4-paul-ricard-finale/71327|access-date=7 February 2025|website=Formula Scout|language=en-GB}} With eight further podiums, two pole positions and three wins, Hadjar finished third in the drivers' standings with 233 points, being the highest placed French driver.{{Cite web|last=Wood|first=Ida|date=23 December 2020|title=The standout Formula 4 drivers around the world in 2020|url=https://formulascout.com/the-standout-formula-4-drivers-around-the-world-in-2020/73020|access-date=7 February 2025|website=Formula Scout|language=en-GB}}

File:FREC 2021 Spielberg Nr. 6 Hadjar.jpg]]

Hadjar made his debut at the Formula Regional level in 2021, competing in the first three rounds of the F3 Asian Championship with Evans GP.{{Cite web|last=Suttil|first=Josh|date=27 January 2021|title=Previewing Asian F3's most exciting grid yet|url=https://formulascout.com/previewing-asian-f3s-most-exciting-grid-yet/74502|access-date=18 August 2022|website=Formula Scout|language=en-US}} He impressed right from the start, scoring a podium finish during the opening round in Dubai Autodrome.{{Cite web|last=Suttil|first=Josh|date=30 January 2021|title=Guanyu Zhou leads Prema 1-2 in second Asian F3 race|url=https://formulascout.com/guanyu-zhou-leads-prema-1-2-in-second-asian-f3-race/74689|access-date=9 February 2025|website=Formula Scout|language=en-GB}} During the second round at Yas Marina, Hadjar demonstrated strong pace and finished on the podium in all three rounds.{{Cite web|last=Suttil|first=Josh|date=4 February 2021|title=Daruvala wins first Asian F3 race of weekend at Abu Dhabi|url=https://formulascout.com/daruvala-wins-first-asian-f3-race-at-abu-dhabi/74847|access-date=9 February 2025|website=Formula Scout|language=en-GB}}{{Cite web|last=Suttil|first=Josh|date=5 February 2021|title=Daruvala wins first Asian F3 race of weekend at Abu Dhabi|url=https://formulascout.com/daruvala-wins-at-abu-dhabi-to-cut-zhous-asian-f3-points-lead/74870|access-date=9 February 2025|website=Formula Scout|language=en-GB}}{{Cite web|last=Suttil|first=Josh|date=5 February 2021|title=Chovet dominates third Asian F3 Abu Dhabi race, Daruvala in points lead|url=https://formulascout.com/chovet-dominates-asian-f3s-third-abu-dhabi-race-daruvala-to-points-lead/74883|access-date=9 February 2025|website=Formula Scout|language=en-GB}} Hadjar scored another third place during the final race of the third round.{{Cite web|last=Suttil|first=Josh|date=7 February 2021|title=Daruvala closes on Chovet’s Asian F3 lead with victory at Yas Marina|url=https://formulascout.com/daruvala-closes-on-chovets-asian-f3-lead-with-victory-at-yas-marina/74968|access-date=9 February 2025|website=Formula Scout|language=en-GB}} Despite not taking part in the latter rounds of the campaign, Hadjar managed to finish sixth in the standings, highest of all part-time entrants.

Hadjar's main campaign would lie in the Formula Regional European Championship, where he partnered Zane Maloney, Léna Bühler and fellow countryman Hadrien David at R-ace GP.{{Cite web|date=4 January 2021|title=FRE - Isack Hadjar avec R-ace GP en Formule Régionale|url=https://www.autohebdo.fr/monoplace/fre/actualites/isack-hadjar-avec-r-ace-gp-en-formule-regionale-215143.html|website=www.autohebdo.fr}} Hadjar scored his first points, along with his first rookie win, at the first round in Imola.{{Cite web|title=Imola, Race 1 report: Vidales, Quinn and David|url=https://formularegionaleubyalpine.com/imola-race-1-report-vidales-quinn-and-david/|access-date=2021-04-24|website=formularegionaleubyalpine.com|date=17 April 2021 |language=en}} He then proceeded to score his first podium at the next event in Barcelona,{{Cite web|last=Waring|first=Bethonie|date=9 May 2021|title=Saucy takes another lights-to-flag FREC win at Barcelona|url=https://formulascout.com/saucy-takes-another-lights-to-flag-frec-win-at-barcelona/78447|access-date=9 February 2025|website=Formula Scout|language=en-GB}} and achieved his first Formula Regional victory in the first race on the streets of Monaco, from pole position.{{Cite web|last=Wood|first=Ida|date=21 May 2021|title=R-ace GP’s Hadjar and Maloney take FREC poles in Monaco|url=https://formulascout.com/r-ace-gps-hadjar-and-maloney-take-frec-poles-in-monaco/79000|access-date=9 February 2025|website=Formula Scout|language=en-GB}}{{Cite web|last=Waring|first=Bethonie|date=22 May 2021|title=R-ace GP’s Isack Hadjar takes lights-to-flag first FREC win in Monaco|url=https://formulascout.com/r-ace-gps-isack-hadjar-takes-lights-to-flag-first-frec-win-in-monaco/79072|access-date=9 February 2025|website=Formula Scout|language=en-GB}} In that same weekend Hadjar finished second in race two, only behind teammate Maloney, and closed in on the championship lead held by Grégoire Saucy.{{Cite web|title=Monaco|date=23 May 2021 |url=https://formularegionaleubyalpine.com/monaco-race-2-report/}} However, Hadjar would be unable to score a podium finish until the final round of the season, despite amassing a number of finishes in the top six. Following a disappointing round at Mugello where he hadn't scored any points, Hadjar bounced back with a double podium in that final round at Monza, scoring a win in the second race after the leading pair collided.{{Cite web|last=Gascoigne|first=Roger|date=30 October 2021|title=David dominates to head R-ace GP 1-2-3 in FREC race one at Monza|url=https://formulascout.com/david-dominates-to-head-r-ace-gp-1-2-3-in-frec-race-one-at-monza/85976|access-date=9 February 2025|website=Formula Scout|language=en-GB}}{{Cite web|last=Gascoigne|first=Roger|date=31 October 2021|title=Hadjar wins FREC season finale after Prema rivals collide at Monza|url=https://formulascout.com/hadjar-wins-frec-season-finale-after-prema-rivals-collide-at-monza/86056|access-date=20 January 2021|website=Formula Scout|language=en-US}} Hadjar ended up fifth in the standings, just four points behind teammate Maloney, and won the honours for the best rookie of the season.{{Cite web|last=Scout|first=Formula|date=29 December 2021|title=Formula Scout Top 50 Drivers of 2021: 30-21|url=https://formulascout.com/formula-scout-top-50-drivers-of-2021-30-21/88116|access-date=9 February 2025|website=Formula Scout|language=en-GB}}

At the start of 2022, Hadjar raced in the Formula Regional Asian Championship with Hitech Grand Prix.{{Cite web|date=18 January 2022|title=2022 Formula Regional Asian Championship preview|url=https://formulascout.com/2022-formula-regional-asian-championship-season-preview/88715|access-date=18 August 2022|website=Formula Scout|language=en-US}} Hadjar started off the season with a podium in Yas Marina,{{Cite web|last=Whitfield|first=Steve|date=23 January 2022|title=Mini wins FRegional Asian race three after startline crash|url=https://formulascout.com/mini-wins-fregional-asian-race-three-after-startline-crash/88930|access-date=9 February 2025|website=Formula Scout|language=en-GB}} he would also claim a double rostrum in round 2.{{Cite web|title=Dominant David & Consistent Leclerc: 5 takeaways from FRAC Round 2|date=31 January 2021|url=https://feederseries.net/2022/01/31/dominant-david-consistent-leclerc-5-takeaways-from-frac-round-2/|access-date=9 February 2025|website=Feeder Series|language=en}} Hadjar secured his first win of the year during the first race at the Dubai Autodrome, where he withstood heavy pressure from Paul Aron.{{Cite web|title=Paul Aron is back: 5 takeaways from FRAC Round 4 at Dubai|date=14 February 2022|url=https://feederseries.net/2022/02/14/paul-aron-is-back-5-takeaways-from-frac-round-4-at-dubai/|access-date=9 February 2025|website=Feeder Series|language=en}} Hadjar would once again triumph in the final race of the campaign in Abu Dhabi from pole,{{Cite web|last=Gascoigne|first=Roger|date=20 February 2022|title=Hadjar heads Hitech 1-2 in FRAC finale|url=https://formulascout.com/hadjar-heads-hitech-1-2-in-frac-finale/89897|access-date=9 February 2025|website=Formula Scout|language=en-GB}} meaning he finished third in the standings.{{Cite web |last=Foster |first=Tyler |date=2022-02-22 |title=Arthur Leclerc wins the 2022 title: 5 takeaways from FRAC Round 5 |url=https://feederseries.net/2022/02/22/arthur-leclerc-wins-the-2022-title-5-takeaways-from-frac-round-5/ |access-date=2024-12-21 |website=Feeder Series |language=en}}

File:FIA F3 Austria 2022 Nr. 18 Hadjar.jpg during the 2022 Spielberg Formula 3 round]]

In November 2021 Hadjar drove for Hitech Grand Prix in the FIA Formula 3 post-season test.{{Cite web|title=FIA Formula 3 returns to action with post-season testing in Valencia|date=31 October 2021|url=https://www.fiaformula3.com/Latest/3V94Y1DiiE4zZXQrxA9Z1z/fia-formula-3-returns-to-action-with-post-season-testing-in-valencia|access-date=31 October 2021|website=FIA Formula3® - The Official F3® Website|language=en}} He would eventually be announced to drive for the team in the 2022 season in January.{{Cite web|title=Hitech Grand Prix recruit Red Bull backed Hadjar for 2022|date=14 January 2022|url=https://www.fiaformula3.com/Latest/3SYrqtdqkEn3KqbjThhX17/hitech-grand-prix-recruit-red-bull-backed-hadjar-for-2022|access-date=20 January 2022|website=FIAFormula3® - The Official F3® Website|language=en}} He started his season out in the best way possible, inheriting victory in the Sakhir sprint race after original winner Oliver Bearman had received a five-second time penalty for track limits infringements.{{Cite web |title=Hadjar takes F3 debut victory in Bahrain |url=https://www.redbull.com/int-en/juniorteam/hadjar-takes-f3-debut-victory-in-bahrain- |access-date=22 July 2022 |website=Red Bull |language=en}}{{Cite web|title=2022 Round 1 post-Sprint Race press conference|date=19 March 2022|url=https://www.fiaformula3.com/Latest/4TbLmLtxm24J3vCDFq18D6/2022-round-1-post-sprint-race-press-conference|access-date=8 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} The feature race would be less successful, as Hadjar finished 25th after suffering a puncture caused by contact with Alexander Smolyar.{{Cite web |title=FEATURE RACE: Martins prevails in Sakhir to win over Leclerc |url=https://www.fiaformula3.com/Latest/7swadRUJkgyI7qVWinyeux/feature-race-martins-prevails-in-sakhir-to-win-over-leclerc|access-date=22 July 2022 |website=FIA Formula3® - The Official F3® Website |language=en}} Qualifying seventh in Imola, Hadjar made his way to the podium places in the sprint race, but a collision with Caio Collet on the last lap dropped him to fifth place.{{Cite web|title=SPRINT RACE: Colapinto nets maiden F3 win with last-lap pass at Imola|date=23 April 2022|url=https://www.fiaformula3.com/Latest/49vKmo0mKWWEySEtT2Ytq3/colapinto-nets-maiden-f3-win-with-last-lap-pass-at-imola|access-date=8 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} Hadjar returned to the podium during the feature race, benefitting from a last corner collision between Bearman and Grégoire Saucy to finish third.{{Cite web |title=2022 Emilia Romagna F3 Feature Race report and highlights: Stanek takes first win after late drama in Imola Feature Race {{!}} Formula 1® |url=https://www.formula1.com/en/latest/article/f3-stanek-takes-first-win-after-late-drama-in-imola-feature-race.1v8bSfh7z8edJjQJz5Inzc |access-date=2024-12-21 |website=Formula 1® - The Official F1® Website |language=en}}{{Cite web|title=2022 Round 2 Feature Race: Thoughts from the top 3|date=24 April 2022|url=https://www.fiaformula3.com/Latest/4SJjpsnVMT8CtlNUuNUdvi/2022-round-2-feature-race-thoughts-from-the-top-3|access-date=8 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} A fourth place in qualifying followed in Barcelona, he battled in the lower end of the points and finished tenth.{{Cite web|title=Hadjar & Crawford strong podium drives in Barcelona F3|date=22 May 2022|url=https://www.redbull.com/int-en/juniorteam/hadjar-crawford-strong-podium-drives-in-barcelona-f3|access-date=8 February 2025|website=Red Bull|language=en}} He would finish third the next day, after Hadjar passed Smolyar at the start of lap 1.{{Cite web |last=Southwell |first=Hazel |date=2022-05-22 |title=Martins reclaims Formula 3 championship lead with Barcelona feature race win |url=https://www.racefans.net/2022/05/22/martins-reclaims-formula-3-championship-lead-with-barcelona-feature-race-win/ |access-date=2024-12-21 |website=RaceFans |language=en-GB}}{{Cite web|title=2022 Round 3 Feature Race: Thoughts from the top 3|date=22 May 2022|url=https://www.fiaformula3.com/Latest/apcP5MNejoiS149szIabO/2022-round-3-feature-race-thoughts-from-the-top-3|access-date=8 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} A mistake on his qualifying lap confined him to ninth on the grid.{{Cite web|title=Hadjar frustrated after struggling to adapt to blustery conditions|date=1 July 2022|url=https://www.fiaformula3.com/Latest/7kJuUvmzBIMrpbqtlJr852/hadjar-frustrated-after-struggling-to-adapt-to-blustery-conditions|access-date=8 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} In the sprint race, he moved up two places to second in the first half of the race before overtaking Victor Martins on the penultimate lap, allowing Hadjar to take his second win. before finishing fifth on Sunday following a fierce fight with fellow Red Bull junior Jak Crawford.{{Cite web |last=Wunderlich |first=Lukas |date=2022-07-02 |title=Formel 3 Silverstone: Isack Hadjar gewinnt Sprint-Duell |url=https://www.motorsport-magazin.com/formel3/news-278047-formel-3-silverstone-isack-hadjar-gewinnt-sprint-duell-rennen-ergebnis-heute-f3-2022/ |access-date=2024-12-21 |website=Motorsport-Magazin.com |language=de}}{{Cite web|title=2022 Round 4 post-Sprint Race press conference|date=2 July 2022|url=https://www.fiaformula3.com/Latest/5BfK9vZDzpWzKT55Bn6sHq/2022-round-4-post-sprint-race-press-conference-f3|access-date=8 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} Hadjar made overtakes to finish fifth in the feature race.{{Cite web |last=Southwell |first=Hazel |date=2022-07-03 |title=Leclerc battles past O'Sullivan for Silverstone F3 win |url=https://www.racefans.net/2022/07/03/leclerc-battles-safety-cars-for-silverstone-formula-3-feature-race-win/ |access-date=2024-12-21 |website=RaceFans |language=en-GB}}

Hadjar put himself into championship contention by taking pole in Spielberg.{{Cite web|title=QUALIFYING: Isack Hadjar takes maiden F3 pole position in Spielberg|date=8 July 2022|url=https://www.fiaformula3.com/Latest/5KAyYDY4NLcNme6BCZu3wE/qualifying-isack-hadjar-takes-maiden-f3-pole-position-in-spielberg|access-date=9 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}}{{Cite web|title=How traffic and a late red flag made F3’s Austria Qualifying about being lucky rather than good|date=9 July 2022|url=https://feederseries.net/2022/07/09/how-traffic-and-a-late-red-flag-made-f3s-austria-qualifying-about-being-lucky-rather-than-good/|access-date=9 February 2025|website=Feeder Series|language=en}} After scoring one point on Saturday,{{Cite web|title=Hadjar's Guest Column: Qualifying step is massive for title battle|date=12 July 2022|url=https://www.fiaformula3.com/Latest/3Jj7xTccS7CzyrFOhG2KCK/hadjars-guest-column-qualifying-step-is-massive-for-title-battle|access-date=9 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} Hadjar converted his pole into a lights-to-flag feature race win in rainy conditions.{{Cite web |title=2022 F3 Austria Feature Race report and highlights: Hadjar weathers chaotic Feature Race for lights-to-flag win {{!}} Formula 1® |url=https://www.formula1.com/en/latest/article/f3-hadjar-weathers-chaotic-feature-race-for-lights-to-flag-win.1FiWY3Fb1392LtUoCmuhHb |access-date=2024-12-21 |website=Formula 1® - The Official F1® Website |language=en}}{{Cite web |last=Callander |first=Michael |date=2022-07-10 |title=Red Bull junior Hadjar takes third FIA F3 win at Red Bull Ring |url=https://www.thecheckeredflag.co.uk/2022/07/red-bull-junior-hadjar-takes-third-fia-f3-win-at-red-bull-ring/ |access-date=2024-12-21 |website=The Checkered Flag |language=en-GB}}{{Cite web|title=2022 Round 5 post-Feature Race press conference|date=10 July 2022|url=https://www.fiaformula3.com/Latest/4WbbCbz6jPQLbdyYYw9RTc/2022-round-5-post-feature-race-press-conference-f2|access-date=9 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} Hadjar qualified tenth in Hungary and moved up to second in the sprint race, but a mistake saw him slip to fourth place.{{Cite web|title=F3 Points for Crawford & Hadjar in Hungary – Hadjar tops table|date=31 July 2022|url=https://www.redbull.com/int-en/juniorteam/f3-points-for-crawford-hadjar-in-hungary-%E2%80%93-hadjar-tops-table|access-date=9 February 2025|website=Red Bull|language=en}} Hadjar experienced a challenging race on Sunday as a poor start meant he ended up in 18th.{{Cite web |title=F3: Smolyar wins in Budapest Feature Race from pole {{!}} Formula 1® |url=https://www.formula1.com/en/latest/article/f3-smolyar-wins-in-budapest-feature-race-from-pole.tq4R39rMC8S1xvzSKL1gf |access-date=2024-12-21 |website=Formula 1® - The Official F1® Website |language=en}} A mixed-weather qualifying session at Spa yielded a disappointing 23rd place for Hadjar,{{Cite web |last=Lewis |first=Callum |date=2022-08-26 |title=Caio Collet takes pole in chaotic FIA F3 qualifying, Zak O’Sullivan on reverse grid pole |url=https://www.thecheckeredflag.co.uk/2022/08/caio-collet-takes-pole-in-chaotic-fia-f3-qualifying-zak-osullivan-on-reverse-grid-pole/ |access-date=2024-12-21 |website=The Checkered Flag |language=en-GB}}{{Cite web|title=Hadjar: ‘We need a miracle after P23 in Qualifying’|date=26 August 2022|url=https://www.fiaformula3.com/Latest/5fqWynD2jhO7BaiztF8t1a/hadjar-we-need-a-miracle-after-p23-in-qualifying|access-date=9 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}} though he progressed enough to score two points in the sprint race, where he finished ninth.{{Cite web |last=Lewis |first=Callum |date=2022-08-27 |title=Oliver Bearman takes first F3 victory in hectic Spa-Francorchamps sprint race |url=https://www.thecheckeredflag.co.uk/2022/08/oliver-bearman-takes-first-f3-victory-in-hectic-spa-francorchamps-sprint-race/ |access-date=2024-12-21 |website=The Checkered Flag |language=en-GB}}{{Cite web|title=Edgar scores well in Spa F3 - Qualifying has Hadjar & Crawford catch up|date=28 August 2022|url=https://www.redbull.com/int-en/juniorteam/edgar-scores-well-in-spa-f3-qualifying-leaves-hadjar-and-crawford-to-catch-up--2022|access-date=9 February 2025|website=Red Bull|language=en}} Hadjar lost the championship lead at the penultimate round in Zandvoort, despite scoring a sixth and fifth place in the races.{{Cite web|title=Hadjar ready to fight to the end for shot at F3 title|date=2 September 2022|url=https://www.fiaformula3.com/Latest/72VQSyWqDdBEYbukwLGRsZ/hadjar-ready-to-fight-to-the-end-for-shot-at-f3-title|access-date=9 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}}{{Cite web |date=2022-09-04 |title=Hadjar finds pace for F3 championship hopes |url=https://www.redbull.com/int-en/juniorteam/hadjar-finds-pace-for-f3-championship-hopes-2022 |access-date=2024-12-21 |website=Red Bull |language=en}} In a close championship fight between seven drivers, Hadjar put a dent into his title aspirations by crashing at the final corner during qualifying in Monza, meaning he would start from 16th.{{Cite web |last=White |first=Megan |date=9 September 2022 |title=F3 Monza: Smolyar takes pole as Hadjar crashes out of qualifying |url=https://www.autosport.com/fia-f3/news/f3-monza-smolyar-takes-pole-as-hadjar-crashes-out-of-qualifying/10366357/ |website=autosport.com}} Contact with Kush Maini during the sprint race necessitated a front wing change, which left him down in 27th.{{Cite web |title=2022 F3 Italy Sprint Race report and highlights: Colapinto holds off Bearman in Monza Sprint Race to set up 6-way title showdown {{!}} Formula 1® |url=https://www.formula1.com/en/latest/article/f3-colapinto-holds-off-bearman-in-monza-sprint-race-to-set-up-6-way-title.3mSOducQAMXKEehxnZgwdC |access-date=2024-12-21 |website=Formula 1® - The Official F1® Website |language=en}} He would finish ninth on Sunday,{{Cite web|title=Hadjar misses F3 title - Crawford claims Feature podium in Monza|date=11 September 2022|url=https://www.redbull.com/int-en/juniorteam/hadjar-misses-f3-title---crawford-claims-feature-podium-in-monza-2022|access-date=9 February 2025|website=Red Bull|language=en}} meaning that Hadjar finished fourth in the drivers' standings, with three wins, one pole, five podiums and 123 points.{{Cite web|title=Hadjar says he has no regrets after falling short of F3 title|date=6 October 2022|url=https://www.fiaformula3.com/Latest/2vlnMkI93Ey5HsCLtoPmwP/hadjar-says-he-has-no-regrets-after-falling-short-of-f3-title|access-date=9 February 2025|website=FIA_Formula 3® - The Official F3® Website|language=en}}

File:FIA F2 Austria 2023 Nr. 10 Hadjar (1).jpg during the 2023 Spielberg Formula 2 round]]

Having tested for Hitech at the 2022 F2 post-season test at Yas Marina, Hadjar joined the team for the 2023 Formula 2 season alongside his then fellow Red Bull junior Jak Crawford.{{Cite web|title=Formula 2 prepares for post-season testing at Yas Marina|date=22 November 2022|url=https://www.fiaformula2.com/Latest/aErnerQQ8i2FAKAJRQCRo/formula-2-prepares-for-post-season-testing-at-yas-marina|access-date=23 November 2022|website=FIA_F2® - The Official F2® Website|language=en}}{{Cite web|title=Hitech confirm Hadjar and Crawford for all-Red Bull 2023 line-up|date=18 January 2023|url=https://www.fiaformula2.com/Latest/5KlscZX7SCV0BI19sGsodG/hitech-confirm-hadjar-and-crawford-for-all-red-bull-2023-line-up|access-date=18 January 2023|website=FIA_F2® - The Official F2® Website|language=en}} On debut in Bahrain, Hadjar qualified 14th and finished 20th on Saturday after struggling with his tyres, but ended up seventh in the feature race.{{Cite web|title=QUALIFYING: Pourchaire in class of one in Sakhir|date=3 March 2023|url=https://www.fiaformula2.com/Latest/2ACe09jSGx5LcQ5fkyveSj/qualifying-pourchaire-in-class-of-one-in-sakhir|access-date=8 March 2023|website=FIA_F2® - The Official F2® Website|language=en}}{{Cite web|title=SPRINT RACE: Boschung cruises to maiden F2 win in Sakhir thriller|date=4 March 2023|url=https://www.fiaformula2.com/Latest/6SGVFEQWBLgWaU8sB4mYeo/sprint-race-boschung-cruises-to-maiden-f2-win-in-sakhir-thriller|access-date=8 March 2023|website=FIA_F2® - The Official F2® Website|language=en}}{{Cite web|title=FEATURE RACE: Pourchaire dominant as podium fight goes to final lap|date=5 March 2023|url=https://www.fiaformula2.com/Latest/5sDLaLMEcfMqyMHlyoVJgO/feature-race-pourchaire-dominant-as-podium-fight-goes-to-final-lap|access-date=8 March 2023|website=FIA_F2® - The Official F2® Website|language=en}} He scored more points in Jeddah, finishing ninth on Sunday after qualifying 19th.{{Cite web |date=19 March 2023 |title=FEATURE RACE: Vesti battles to brilliant Jeddah win |url=https://www.fiaformula2.com/Latest/4FvwSmByr3QQuBJl6r2N1S/feature-race-vesti-battles-to-brilliant-jeddah-win |access-date=23 March 2023 |website=FIA F2 |language=en}}{{Cite web|title=Iwasa wins in Jeddah, closes on F2 title chase|date=20 March 2023|url=https://www.redbull.com/int-en/juniorteam/iwasa-wins-in-jeddah-closes-on-f2-title-chase-2023|access-date=9 February 2025|website=Red Bull|language=en}} He then qualified fourth at Albert Park and finished sixth on Saturday, but finished outside of the points on Sunday after suffering front wing damage due to contact with Oliver Bearman during a pit stop, as well as a subsequent penalty.{{Cite web|title=Juniors take Melbourne F2 double and points lead|date=4 April 2023|url=https://www.redbull.com/int-en/juniorteam/juniors-take-melbourne-f2-double-and-points-lead-2023|access-date=9 February 2025|website=Red Bull|language=en}}{{Cite web|title=Isack Hadjar’s Melbourne Weekend In His Words|date=5 April 2023|url=https://www.fiaformula2.com/Latest/2Pm6obKd8B5aZuBj07PNT0/isack-hadjars-melbourne-weekend-in-his-words|access-date=9 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} This was followed up by a charge from 18th to eighth in the Baku sprint race, though he was demoted to 11th for illegally overtaking Jack Doohan during the safety car restart.{{cite web|url=https://www.fiaformula2.com/Latest/6vftrmETndKDFhXNpVZamS/qualifying-bearman-snatches-maiden-pole-in-dramatic-baku-ending|title=QUALIFYING: Bearman snatches maiden pole in dramatic Baku ending|access-date=28 April 2023|website=FIA_F2® - The Official F2® Website|language=en}}{{Cite web |title=Hadjar handed post-Sprint Race time penalty |url=https://www.fiaformula2.com/Latest/4m7flmNd7KnzoyBHgept8b/hadjar-handed-post-sprint-race-time-penalty |access-date=2024-12-21 |website=FIA_F2® - The Official F2® Website |language=en}} He bounced back by finishing seventh in the feature race after trying an alternative strategy.{{Cite web|title=Hadjar happy to return to Europe and familiar territory after Baku fightback|date=2 May 2023|url=https://www.fiaformula2.com/Latest/86Kb7cdLgO7DoZGOht9f0/hadjar-happy-to-return-to-europe-and-familiar-territory-after-baku-fightback|access-date=9 February 2025|website=FIA_F2® - The Official F2® Website|language=en}}

Hadjar qualified tenth in Monaco meaning he would start the sprint from pole;{{Cite web|last=Gascoigne|first=Roger|date=27 May 2023|title=Hadjar keen to capitalise on Monaco F2 sprint pole after tough qualifying|url=https://formulascout.com/hadjar-keen-to-capitalise-on-monaco-f2-sprint-pole-after-tough-qualifying/107324|access-date=10 February 2025|website=Formula Scout|language=en-GB}} he led until lap 6 when a mechanical failure put him out of the race.{{cite web|url=https://www.fiaformula2.com/Latest/6pzUjjJOSlpXt3FAeJru03/sprint-race-ayumu-iwasa-takes-third-win-and-championship-lead|title=SPRINT RACE: Ayumu Iwasa takes third win and Championship lead|website=FIA_F2® - The Official F2® Website|language=en|date=27 May 2023|access-date=29 May 2023}} He subsequently finished 12th in the feature race and later experienced another scoreless weekend in Barcelona.{{Cite web|title=Iwasa wins, Maloney & Crawford podium in F2 Monaco|date=28 May 2023|url=https://www.redbull.com/int-en/juniorteam/iwasa-wins-maloney-crawford-podium-in-f2-monaco-2023|access-date=10 February 2025|website=Red Bull|language=en}}{{Cite web|title=Fittipaldi scores great 2nd in Barcelona F2 Feature - Iwasa 4th|date=5 June 2023|url=https://www.redbull.com/int-en/juniorteam/fittipaldi-scores-great-2nd-in-barcelona-f2-feature---iwasa-4th-2023|access-date=10 February 2025|website=Red Bull|language=en}} Hadjar qualified 21st in Austria and took a gamble in the sprint race, starting on slick tyres on a drying track.{{Cite web|title=Isack Hadjar penalised following Spielberg Qualifying|date=30 June 2023|url=https://www.fiaformula2.com/Latest/1TFfZfuzygJ38f5ZExyIah/isack-hadjar-penalised-following-spielberg-qualifying|access-date=10 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} This paid off as he progressed to fourth by the chequered flag, before being promoted to third following a disqualification for Clément Novalak.{{cite web |title=SPRINT RACE: Crawford claims maiden victory in Spielberg |url=https://www.fiaformula2.com/Latest/6albIM3sxYAfOBk1FNm54f/sprint-race-crawford-claims-maiden-victory-in-spielberg |website=FIA_F2® - The Official F2® Website |access-date=2 July 2023 |date=1 July 2023}}{{cite web |title=Novalak disqualified and three drivers penalised following Spielberg sprint race |url=https://www.fiaformula2.com/Latest/2afwB7GcvlIx75yNLir28u/novalak-disqualified-following-spielberg-sprint-race |website=FIA_F2® - The Official F2® Website |access-date=2 July 2023 |date=1 July 2023}} In the feature race Hadjar finished 12th.{{Cite web|title=Crawford wins, Iwasa 2nd in F2 at the Red Bull Ring|date=2 July 2023|url=https://www.redbull.com/int-en/juniorteam/crawford-wins-iwasa-2nd-in-f2-at-the-red-bull-ring-2023|access-date=10 February 2025|website=Red Bull|language=en}} Hadjar qualified ninth in Silverstone,{{Cite web|title=Hadjar: Mixed feelings after close Qualifying P9 result and plenty of speed|date=8 July 2023|url=https://www.fiaformula2.com/Latest/6Ktqlt0Rsusqu9KcqribMw/hadjar-mixed-feelings-after-close-qualifying-p9-result-and-plenty-of-speed|access-date=10 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} where he battled for the podium spots in the sprint race but eventually finished fifth.{{cite web |title=SPRINT RACE: Vesti unassailable in lights-to-flag Silverstone victory |url=https://www.fiaformula2.com/Latest/clAiv8geTTjoFYIwdZEOL/sprint-race-vesti-unassailable-in-lights-to-flag-silverstone-victory |website=FIA_F2® - The Official F2® Website |access-date=9 July 2023 |date=8 July 2023}} A poor strategy choice in the feature race led to a finish outside of the points.{{Cite web|title=Maloney makes his mark with great F2 Feature 2nd at Silverstone|date=9 July 2023|url=https://www.redbull.com/int-en/juniorteam/maloney-makes-his-mark-with-great-f2-feature-2nd-at-silverstone-2023|access-date=10 February 2025|website=Red Bull|language=en}} Hadjar qualified fifth in Hungary, and he held off championship leader Frederik Vesti to finish eighth in the sprint race.{{Cite web|title=Hadjar hoping for better after traffic woes in Sprint Race|date=22 July 2023|url=https://www.fiaformula2.com/Latest/7yx5OJEtA2XyoD6IUL2Li2/hadjar-hoping-for-better-after-traffic-woes-in-sprint-race|access-date=10 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} In his best Sunday showing of the year thus far, Hadjar ended where he started in fifth.{{Cite web|title=Hauger a win – Iwasa a 2nd and 4th in Hungaroring F2|date=23 July 2023|url=https://www.redbull.com/int-en/juniorteam/hauger-a-win-%E2%80%93-iwasa-a-2nd-and-4th-in-hungaroring-f2-2023|access-date=10 February 2025|website=Red Bull|language=en}}

A week later, Hadjar crashed into the pit exit wall during the feature race in Spa-Francorchamps, ending his chance for points.{{Cite web|title=Excellent 1st & 3rd in F2 for Fittipaldi at Spa|date=30 July 2023|url=https://www.redbull.com/int-en/juniorteam/excellent-1st-3rd-in-f2-for-fittipaldi-at-spa-2023|access-date=10 February 2025|website=Red Bull|language=en}} He started the Zandvoort sprint race from the front and held the lead as a multi-car accident caused the race to be halted; the subsequent rain shower led to the event's abandonment, as Hadjar was awarded victory but no points as less than two racing laps had been completed.{{Cite web |title=Hadjar leads the field in Red Flagged wet Zandvoort Sprint |url=https://www.formula1.com/en/latest/article/f2-hadjar-leads-the-field-in-red-flagged-wet-zandvoort-sprint.581erERTyggDoeDCe6Anf9 |access-date=2024-12-21 |website=Formula 1® - The Official F1® Website |language=en}} He finished the feature race in sixth place.{{cite web |title=FEATURE RACE: Novalak wins drama-filled Zandvoort race as championship contenders hit trouble|url=https://www.fiaformula2.com/Latest/1OuPeAd9rFUHOl7jXdcqne/feature-race-novalak-wins-drama-filled-zandvoort-race-as-championship |website=FIA_F2® - The Official F2® Website |access-date=28 August 2023 |date=27 August 2023}}{{Cite web|title=Maloney 2nd - Crawford Pole & 3rd at rain effected Zandvoort F2|date=27 August 2023|url=https://www.redbull.com/int-en/juniorteam/maloney-2nd---crawford-pole-3rd-at-rain-effected-zandvoort-f2-2023|access-date=10 February 2025|website=Red Bull|language=en}} A frustrating weekend at Monza followed, as Hadjar qualified fourth but failed to score points during the races, most notably damaging his front wing on the opening lap of the feature race.{{Cite web|title=Storming drive to 2nd from Iwasa in Monza F2|date=3 September 2023|url=https://www.redbull.com/int-en/juniorteam/storming-drive-to-2nd-from-iwasa-in-monza-f2-2023|access-date=10 February 2025|website=Red Bull|language=en}} At the season finale in Yas Marina Hadjar ran second in the opening laps of the sprint race, though he eventually dropped to fifth by the end.{{cite web |title=SPRINT RACE: Vesti soars to Yas Marina victory to bring title fight down to final race|url=https://www.fiaformula2.com/Latest/2uaVkt3y1TMMwnUjX3hEBx/sprint-race-vesti-soars-to-yas-marina-victory-to-bring-title-fight-down-to|website=FIA_F2® - The Official F2® Website |access-date=1 March 2024 |date=25 November 2023}} Hadjar ended his season with an eighth place in the feature race, his second double-points result of the season.{{cite web |title=FEATURE RACE: Doohan victorious as Pourchaire seals 2023 Drivers' title|url=https://www.fiaformula2.com/Latest/4lz2YzNqBPunIExlZGrL9B/feature-race-doohan-victorious-as-pourchaire-seals-2023-drivers-title|website=FIA_F2® - The Official F2® Website |access-date=1 March 2024 |date=26 November 2023}}{{Cite web|title=Fittipaldi podiums on Saturday, Maloney robbed on Sunday in Abu Dhabi|date=26 November 2023|url=https://www.redbull.com/int-en/juniorteam/fittipaldi-podiums-on-saturday-maloney-robbed-on-sunday-in-abu-dhabi-2023|access-date=10 February 2025|website=Red Bull|language=en}}

Hadjar finished the year 14th in the drivers' standings with 55 points, two behind teammate Crawford.{{Cite web|title=Formula 2 2023 Driver Standings|url=https://www.fiaformula2.com/Standings/Driver?seasonId=180|access-date=10 February 2025|website=FIA_F2® - The Official F2® Website|language=en}}

File:FIA F2 Austria 2024 Nr. 20 Hadjar.jpg during the 2024 Spielberg Formula 2 round]]

Hadjar switched to Campos Racing for the 2024 Formula 2 season, teaming up with fellow Red Bull junior Pepe Martí.{{Cite web|title=Isack Hadjar and Josep María Martí join Campos Racing for 2024 F2 season|date=28 November 2023|url=https://www.fiaformula2.com/Latest/4JDb17cJOp3QgdQIqLuF77/isack-hadjar-and-josep-maria-marti-join-campos-racing-for-2024-f2-season|access-date=5 December 2023|website=FIA_F2® - The Official F2® Website|language=en}} After qualifying second in Sakhir,{{Cite web|title=Round 1 Post-Qualifying Press Conference|date=29 February 2024|url=https://www.fiaformula2.com/Latest/27vY7rFVw8zeW3AIuGma7Q/round-1-post-qualifying-press-conference|access-date=13 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} He moved up through the field and finished the sprint race in fourth, after a battle with teammate Martí.{{Cite web|title=Pepe Martí impresses in his FIA F2 debut with a double podium. Hadjar finishes fourth|url=https://www.camposracing.com/en/noticias/fia-f2/pepe-marti-impresses-in-his-fia-f2-debut-with-a-double-podium-hadjar-finishes-fourth|access-date=13 February 2025|website=Campos Racing|language=en}} However, Hadjar was spun around by Gabriel Bortoleto and collected by Enzo Fittipaldi at the first corner of the feature race, ending his race.{{cite web|url=https://www.fiaformula2.com/Latest/6AoCeH04jz79rAfCG0Y1Yn/feature-race-maloney-completes-sakhir-double-with-dominant-victory|title=FEATURE RACE: Maloney completes Sakhir double with dominant victory|website=FIAFormula2® - The Official F2® Website |access-date=2 March 2024 |date=2 March 2024}} In Jeddah, Hadjar experienced a woeful weekend as he was forced to retire from the sprint whilst running sixth on the penultimate lap due to an engine issue and retired again on Sunday with another issue.{{Cite web|title=Jeddah F2 points for Martí – Technical problems for Hadjar|date=10 March 2024|url=https://www.redbull.com/int-en/juniorteam/pepe-marti-jeddah-gallery-2024|access-date=13 February 2025|website=Red Bull|language=en}} Hadjar qualified eighth in Melbourne. At the start of the sprint race, Hadjar wedged his teammate Martí into Bortoleto whilst taking the lead. He then dominated the sprint to win his first race in F2,{{cite web |url=https://www.fiaformula2.com/Latest/331kkLfeqzkUDn94wVu9wt/sprint-race-hadjar-takes-first-f2-victory-with-dominant-drive |title=SPRINT RACE: Hadjar takes Melbourne victory with dominant drive |website=FIAFormula2® - The Official F2® Website |access-date=23 March 2024 |date=23 March 2024}}{{Cite web|title=Round 3 Post-Sprint Race Press Conference|date=23 March 2024|url=https://www.fiaformula2.com/Latest/51ZIgDwRH5IrdRfmY4BHnn/round-3-post-sprint-race-press-conference|access-date=13 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} but was demoted to sixth after being given a 10-second penalty for the incident.{{cite web |url=https://www.fiaformula2.com/Latest/4BmF0R0l1XqWdKfUPy0Ycg/isack-hadjar-loses-sprint-race-win-bearman-and-crawford-penalised |title=Isack Hadjar loses Sprint Race win, Bearman and Crawford also penalised |website=FIAFormula2® - The Official F2® Website |access-date=23 March 2024 |date=23 March 2024}} In the feature race, Hadjar passed multiple cars following a safety car interruption and held the net race lead thereafter to claim his first victory.{{cite web|url=https://www.fiaformula2.com/Latest/5RzV6rCtUDI5uzZzzYSJEy/feature-race-hadjar-bounces-back-to-win-in-melbourne|title=FEATURE RACE: Hadjar bounces back to win in Melbourne|website=FIAFormula2® - The Official F2® Website |access-date=24 March 2024 |date=24 March 2024}}{{Cite web|title=Hadjar ‘not too concerned’ about sprint race penalty after feature race redemption|date=24 March 2024|url=https://feederseries.net/2024/03/24/hadjar-not-too-concerned-about-sprint-race-penalty-after-feature-race-redemption/|access-date=13 February 2025|website=Feeder Series|language=en}}{{Cite web|title=RACE ANALYSIS: The moves that made Isack Hadjar’s Melbourne Feature victory|date=26 March 2024|url=https://www.fiaformula2.com/Latest/6UU5HeQOQpfqB2OFRvtWqK/the-moves-that-made-isack-hadjars-melbourne-feature-victory|access-date=13 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} After the victory, Le Parisien described Hadjar as "Petit Prost" ({{lit|Little Prost}}).{{Cite news |url=https://www.leparisien.fr/sports/formule-1/formule-2-qui-est-isack-hadjar-le-petit-prost-vainqueur-de-sa-premiere-course-et-promis-a-un-bel-avenir-24-03-2024-C4S2ZL2Y4ZANROV3M5H2A3QNWQ.php |title=Formule 2 : qui est Isack Hadjar, le « Petit Prost » vainqueur de sa première course et promis à un bel avenir ? |last=Cousin |first=Victor |date=24 March 2024 |work=Le Parisien |publisher=LVMH |access-date=25 December 2024}}

Hadjar's impressive qualifying form continued into Imola, where he qualified third.{{Cite web|title=Round 4 Post Qualifying Press Conference|date=17 May 2024|url=https://www.fiaformula2.com/Latest/1h9yGf2moW53Q3RYI9TRHs/round-4-post-qualifying-press-conference|access-date=14 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} He was involved in a multi-car collision during the opening lap of the sprint race, which took him out of the running. Despite that, he bounced back by winning his second successive feature event, having taken the lead following a slow pit stop for Oliver Bearman before defending against Bortoleto in the dying laps.{{Cite web |last=Lawrence |first=Dan |date=2024-05-19 |title=Hadjar thwarts Borteleto to take F2 Imola Feature Race win |url=https://www.motorsportweek.com/2024/05/19/hadjar-thwarts-borteleto-to-take-f2-imola-feature-race-win/ |access-date=2024-12-20 |website=Motorsport Week |language=en-GB}}{{Cite web|title=Hadjar: ‘I didn’t expect to have so much confidence’|date=19 May 2024|url=https://feederseries.net/2024/05/19/hadjar-i-didnt-expect-to-have-so-much-confidence/|access-date=14 February 2025|website=Feeder Series|language=en}} Hadjar qualified third in Monaco again,{{Cite web|title=Round 5 Post-Qualifying Press Conference|date=25 May 2024|url=https://www.fiaformula2.com/Latest/1KdaqaoIrY8at6TEmnADI6/round-5-post-qualifying-press-conference|access-date=14 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} he finished the sprint race in eighth.{{Cite web|title=Monaco F2 victory stolen from Hadjar by last gasp Virtual Safety|date=26 May 2024|url=https://www.redbull.com/int-en/juniorteam/monaco-f2-victory-stolen-from-hadjar-by-last-gasp-virtual-safety|access-date=14 February 2025|website=Red Bull|language=en}} Another Sunday win looked on the cards as he led after polesitter Richard Verschoor suffered with car issues, but a late virtual safety car (VSC) on the penultimate lap allowed Zak O'Sullivan to make his mandatory pit stop and come out ahead of Hadjar, who ended up finishing second.{{Cite web |last=Walton |first=Steven |date=2024-05-26 |title=’1 in 1000 chance’ victory for O’Sullivan in Monaco |url=https://feederseries.net/2024/05/26/1-in-1000-chance-victory-for-osullivan-in-monaco/ |access-date=2024-12-20 |website=Feeder Series |language=en}}{{Cite web|last=Alonso Lopez|first=Alejandro|date=26 May 2024|title=Monaco F2 defeat “painful” for Hadjar, unaware of O’Sullivan threat|url=https://formulascout.com/monaco-f2-defeat-painful-for-hadjar-unaware-of-osullivan-threat/119478|access-date=14 February 2025|website=Formula Scout|language=en-GB}} Hadjar's good run of form was stopped as he qualified 11th at Barcelona, though he managed to finish sixth and fifth in the races.{{Cite web|title=Hadjar confident of taking Championship lead ‘soon’ after P5 result in Barcelona Feature Race|date=24 June 2024|url=https://www.fiaformula2.com/Latest/4yv2IqCNobdJORrkPgEYAg/hadjar-confident-of-taking-championship-lead-soon-after-p5-result-in|access-date=15 February 2025|website=FIA_F2® - The Official F2® Website|language=en}}{{Cite web|title=Hadjar rescues points after frustrating Barcelona F2 Qualifying|date=24 June 2024|url=https://www.redbull.com/int-en/juniorteam/hadjar-rescues-points-after-frustrating-barcelona-f2-qualifying|access-date=15 February 2025|website=Red Bull|language=en}} Hadjar then qualified seventh in Austria after experiencing an engine failure during the session; a subsequent issue with the new engine forced the team to run it with limited power.{{Cite web |last=Wood |first=Ida |date=2024-07-01 |title=Hadjar "really looking forward to less DNFs" after engine issue in Austria |url=https://formulascout.com/hadjar-really-looking-forward-to-less-dnfs-after-engine-issue-in-austria/120804 |access-date=2024-12-20 |website=Formula Scout |language=en-US}} The problem was rectified before Sunday's race, where Hadjar finished third after a battle with teammate Martí before being passed by Franco Colapinto on the last lap.{{Cite web|title=Round 7 Post-Race Feature Race Press Conference|date=30 June 2024|url=https://www.fiaformula2.com/Latest/56IOIW2pMhP070BY7BGqv4/round-7-post-race-feature-race-press-conference|access-date=15 February 2025|website=FIA_F2® - The Official F2® Website|language=en}}

A week later, Hadjar took his first F2 pole for Silverstone.{{Cite web |title=QUALIFYING: Hadjar surges to Silverstone Pole for Campos Racing |url=https://www.fiaformula2.com/Latest/rsdnmjFl9rHmj4NfmyeKF/qualifying-hadjar-surges-to-silverstone-pole-for-campos-racing |access-date=2024-12-20 |website=FIA_F2® - The Official F2® Website |language=en}}{{Cite web|last=Alonso Lopez|first=Alejandro|date=5 July 2024|title=Hadjar took “first run to adapt, second to deliver” F2 pole after F1 outing|url=https://formulascout.com/hadjar-took-first-run-to-adapt-second-to-deliver-f2-pole-after-f1-outing/120864|access-date=15 February 2025|website=Formula Scout|language=en-GB}} He retired from the sprint after spinning out at Copse corner on lap 8.{{Cite web|title=SPRINT RACE: Antonelli charges through the rain for maiden F2 win as title contenders hit trouble|date=6 July 2024|url=https://www.fiaformula2.com/Latest/3pYqeV84XkHlioHEzORGcW/sprint-race-antonelli-charges-through-the-rain-for-maiden-f2-win-as-title|access-date=15 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} Despite a slow start, Hadjar bounced back to win the feature race, inheriting victory after Jak Crawford had been penalised for an unsafe release; this put Hadjar into the lead of the championship.{{Cite web |last=Wood |first=Will |date=2024-07-07 |title=Hadjar grabs title lead as Crawford loses win due to penalty |url=https://www.racefans.net/2024/07/07/hadjar-grabs-title-lead-as-crawford-loses-win-due-to-penalty/ |access-date=2024-12-20 |website=RaceFans |language=en-GB}}{{Cite web|title=‘A really strong package’ for victorious Hadjar in Silverstone feature race|date=7 July 2024|url=https://feederseries.net/2024/07/07/a-really-strong-package-for-victorious-hadjar-in-silverstone-feature-race/|access-date=15 February 2025|website=Feeder Series|language=en}} Hadjar qualified third in Hungary.{{Cite web|title=Round 9 Post Qualifying Press Conference|date=19 July 2024|url=https://www.fiaformula2.com/Latest/7oJFICENyqoZcIydAmEpQP/round-9-post-qualifying-press-conference|access-date=15 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} In the sprint race, despite starting on the soft tyres, Hadjar managed them well to finish fourth on the road, before being promoted to the rostrum due to a disqualification for original winner Verschoor.{{Cite web|title=Verschoor disqualified from Budapest Sprint Race, Maini inherits win|date=20 July 2024|url=https://www.fiaformula2.com/Latest/5kffW0KviVYujb6698j9QK/verschoor-disqualified-from-budapest-sprint-race-maini-inherits-win|access-date=16 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} However, Hadjar was forced to start from the pit lane on Sunday and he eventually finished 18th.{{Cite web |last=Solanki |first=Shayni |date=2024-07-21 |title=Antonelli claims glorious F2 victory in Hungary Feature race |url=https://www.motorsportweek.com/2024/07/21/antonelli-claims-glorious-f2-victory-in-hungarian-feature/ |access-date=2024-12-20 |website=Motorsport Week |language=en-GB}}{{Cite web|title=Hadjar podiums in Hungaroring F2 Sprint - misses Feature points|date=21 July 2024|url=https://www.redbull.com/int-en/juniorteam/hadjar-podiums-in-hungaroring-f2-sprint---misses-feature-points|access-date=16 February 2025|website=Red Bull|language=en}} Hadjar qualified third in Belgium and finished the shortened sprint in ninth.{{Cite web|title=Round 10 Post Qualifying Press Conference|date=26 July 2024|url=https://www.fiaformula2.com/Latest/7Mc642dYzdVczZwYrINVRd/round-10-post-qualifying-press-conference|access-date=16 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} For the feature race, Hadjar took the lead on lap 8 and held off title rival Bortoleto after their pit stops to take his fourth win of the season, leaving him with a 36-point lead over Bortoleto going into the summer break.{{Cite web |title=F2: Hadjar extends title advantage with fourth win of 2024 |url=https://www.formula1.com/en/latest/article/f2-hadjar-extends-title-advantage-with-fourth-win-of-2024.7pMkJB2LfLM9FMs4cZK7dN |access-date=2024-12-20 |website=Formula 1® - The Official F1® Website |language=en}}{{Cite web|title=Round 10 Post Feature Race Press Conference|date=28 July 2024|url=https://www.fiaformula2.com/Latest/2twPBkSjvdI1mXnrmMqotY/round-10-post-feature-race-press-conference|access-date=16 February 2025|website=FIA_F2® - The Official F2® Website|language=en}}{{Cite web|title=RACE WEEKEND ANALYSIS: How Hadjar’s setup might have made a difference at Spa-Francorchamps|date=31 July 2024|url=https://www.fiaformula2.com/Latest/3eMRHyviJdRgEmUgHQdwzv/weekend-analysis-how-hadjars-setup-might-have-made-a-difference-at-spa|access-date=16 February 2025|website=FIA_F2® - The Official F2® Website|language=en}}

However, the following round at Monza yielded no points for Hadjar, despite qualifying on the front row.{{Cite web|title=Round 11 Post Qualifying Press Conference|date=30 August 2024|url=https://www.fiaformula2.com/Latest/1zSsU7cZYbzkILsalMdwPw/round-11-post-qualifying-press-conference|access-date=16 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} After finishing tenth in the sprint race, his luck took a turn for the worse when he pitted just before the safety car deployment, causing him to losepositions. In contrast, Bortoleto benefitted from the safety car to win the feature race.{{Cite web |last=Allen |first=Peter |date=2024-09-01 |title=Bortoleto goes from last to first to win Monza F2 feature race |url=https://formulascout.com/bortoleto-goes-from-last-to-first-to-win-monza-f2-feature-race/123194 |access-date=2024-12-20 |website=Formula Scout |language=en-US}}{{Cite web|title=Isack Hadjar lacking luck not pace in Monza F2|date=1 September 2024|url=https://www.redbull.com/int-en/juniorteam/isack-hadjar-lacking-luck-not-pace-in-monza-f2|access-date=16 February 2025|website=Red Bull|language=en}} He started 20th in both Baku races after crashing turn 1 during qualifying due to overheating brakes.{{Cite web |last=Allen |first=Peter |date=2024-09-13 |title=Hadjar demoted further down Baku F2 grids after bizarre qualifying exit |url=https://formulascout.com/hadjar-demoted-further-down-baku-f2-grids-after-bizarre-qualifying-exit/123729 |access-date=2024-12-20 |website=Formula Scout |language=en-US}} His low starting position meant Hadjar failed to score points again, causing Bortoleto to pass him in the standings.{{Cite web|title=Damaging F2 weekend in Azerbaijan|date=15 September 2024|url=https://www.redbull.com/int-en/juniorteam/damaging-f2-weekend-in-azerbaijan|access-date=16 February 2025|website=Red Bull|language=en}} After a two-month break, Hadjar qualified ninth for the round in Qatar, meaning he started second on Saturday.{{Cite web|title=Hadjar aiming for Sprint Race rebound after difficult Friday in Lusail|date=30 November 2024|url=https://www.fiaformula2.com/Latest/5c7R76PPMlTMKC3oDpRIwN/hadjar-aiming-for-sprint-race-rebound-after-difficult-friday-in-lusail|access-date=16 February 2025|website=FIA_F2® - The Official F2® Website|language=en}} He passed Oliver Bearman on lap 2 of the sprint and built up a three-second lead before his tyres ran out and he was repassed by Bearman on lap 21. Hadjar then spun, dropping to fourth by the flag.{{Cite web |date=30 November 2024 |title=SPRINT: Bearman wins in Lusail with late-race pass on Hadjar |url=https://www.fiaformula2.com/Latest/4k0yl7ZREjq8IDO0fVqsHk/sprint-bearman-wins-in-lusail-with-late-race-pass-on-hadjar |access-date=7 December 2024 |website=FIA_F2® - The Official F2® Website |language=en}} In the feature race Hadjar benefitted from a safety car that allowed him to jump up to third place behind title rivals Bortoleto and Paul Aron. Bortoleto received a penalty for crossing the pit entry line and Hadjar was promoted to second at the finish, allowing him to reduce Bortoleto's lead to half a point going into the season finale.{{Cite web |date=1 December 2024 |title=FEATURE RACE: Aron claims first Formula 2 victory in action-packed Lusail affair |url=https://www.fiaformula2.com/Latest/7Gn9X00LeSGXlBBIfhuPWr/feature-race-feature-race-aron-claims-first-formula-2-victory-in-action |access-date=7 December 2024 |website=FIA_F2® - The Official F2® Website |language=en}}{{Cite web|title=Round 13 Post-Feature Race Press Conference|date=1 December 2024|url=https://www.fiaformula2.com/Latest/2jVBVugXqaPncaSgbqkZld/round-13-post-feature-race-press-conference|access-date=16 February 2025|website=FIA_F2® - The Official F2® Website|language=en}}{{Cite web|title=How Hadjar and Bortoleto are approaching title-deciding Abu Dhabi showdown|date=5 December 2024|url=https://feederseries.net/2024/12/05/how-hadjar-and-bortoleto-are-approaching-title-deciding-abu-dhabi-showdown/|access-date=16 February 2025|website=Feeder Series|language=en}}

Hadjar qualified fourth in Abu Dhabi and finished fifth on Saturday, after suffering front wing damage on the first lap after contact with Kush Maini.{{cite web |date=6 December 2024 |title=QUALIFYING: Martins beats Bortoleto to take Pole Position at Yas Marina with Hadjar fourth |url=https://www.fiaformula2.com/Latest/ByfbINSkMLVV8IsdFjYcA/qualifying-martins-beats-bortoleto-to-take-pole-position-at-yas-marina-with |website=FIA_F2® - The Official F2® Website |language=en}}{{Cite web |date=7 December 2024 |title=SPRINT RACE: Martí dominates at Yas Marina as Bortoleto extends Championship lead |url=https://www.fiaformula2.com/Latest/46Y1roZnfUdtp5Mv4BdpL/sprint-race-marti-dominates-at-yas-marina-as-bortoleto-extends-championship |access-date=7 December 2024 |website=FIA_F2® - The Official F2® Website |language=en}} Though Hadjar was promoted to third on the feature race grid after Aron was forced to start from the pit lane, it would be for naught as Hadjar stalled at the start of the feature race; with Bortoleto finishing second the Brazilian took the title, condemning Hadjar to finish second overall.{{Cite web |date=8 December 2024 |title=FEATURE: Bortoleto crowned Champion after finishing second to Duerksen |url=https://www.fiaformula2.com/Latest/2ol3EJemGwRBldwxwi4idg/feature-bortoleto-crowned-champion-after-finishing-second-to-duerksen |access-date=8 December 2024 |website=FIA_F2® - The Official F2® Website |language=en}} On his title loss, Hadjar said "all that hard work for this to happen, I can't believe it, this is the worst moment of my life". Hadjar would end his final F2 season as runner-up in the Drivers' Championship finishing with four wins, eight podiums, one pole position, one fastest lap and 192 points compared to teammate Marti's 62.{{Cite web |date=2024-12-08 |title=Hadjar stalls at start in ‘worst moment of my life’ as Bortoleto wins F2 title |url=https://www.independent.co.uk/f1/isack-hadjar-f2-gabriel-bortoleto-abu-dhabi-gp-b2660760.html |access-date=2024-12-20 |website=The Independent |language=en}}

File:70th MACAU GRAND PRIX (104).jpg]] Hadjar returned to Formula 3 to participate in the 2023 Macau Grand Prix with Hitech Pulse-Eight for the final edition of the FIA Formula 3 World Cup.{{Cite web|last=Wood|first=Ida|date=25 October 2023|title=Two-time winner Ticktum headlines 2023 Macau GP entry list|url=https://formulascout.com/two-time-winner-ticktum-headlines-2023-macau-gp-entry-list/112654|access-date=10 February 2025|website=Formula Scout|language=en-GB}} He would qualify fourth for the Qualification Race before finishing ninth and seventh in the Qualification Race and Main Race respectively.{{Cite web |title=Results {{!}} Macau Grand Prix |url=https://www.macau.grandprix.gov.mo/en/info/result |access-date=2024-07-25 |website=www.macau.grandprix.gov.mo}}

On 16 June 2021, Red Bull Racing announced that Hadjar was to become a member of the Red Bull Junior Team in 2022.{{Cite web|title=FRECA - EXCLU AUTOhebdo : Isack Hadjar rejoint le Red Bull Junior Team|url=https://www.autohebdo.fr/monoplace/freca/actualites/exclu-autohebdo-isack-hadjar-rejoint-le-red-bull-junior-team-218240.html|access-date=16 June 2021|language=fr-FR|website=www.autohebdo.fr}}

Hadjar made his free practice debut at the 2023 Mexico City Grand Prix with Scuderia AlphaTauri, to fulfill the mandatory rookie driver rule.{{Cite web|last=Wood|first=Ida|date=25 October 2023|title=Isack Hadjar to drive for AlphaTauri in Mexico City GP practice|url=https://formulascout.com/isack-hadjar-to-drive-for-alphatauri-in-mexico-city-gp-practice/112652|access-date=25 October 2023|website=Formula Scout|language=en-GB}} Before the weekend, Hadjar admitted that he felt "apprehension", having not driven a Formula One car prior.{{Cite web|last=Wood|first=Ida|date=25 October 2023|title=Hadjar admits apprehension about FP1 call-up with no F1 car experience|url=https://formulascout.com/hadjar-admits-apprehension-about-fp1-call-up-with-no-f1-car-experience/112692|access-date=26 October 2023|website=Formula Scout|language=en-GB}} He ended the session in 17th place, second highest of the five rookies who participated.{{Cite web|title=2023 Mexico City GPL Free Practice|date=27 October 2023|url=https://scuderia.alphatauri.com/en/2023-mexico-city-gp-free-practice/|access-date=7 October 2023|website=Scuderia AlphaTauri|language=en}} He then drove for Red Bull during the Abu Dhabi practice, finishing the session in 17th again.{{Cite web|last=Wood|first=Ida|date=28 October 2023|title=Red Bull Racing to run Isack Hadjar in Abu Dhabi GP practice|url=https://formulascout.com/red-bull-racing-to-run-isack-hadjar-in-abu-dhabi-gp-practice/112737|access-date=7 November 2023|website=Formula Scout|language=en-GB}}{{Cite web|title=What the teams said – Friday in Abu Dhabi|date=24 November 2023|url=https://www.formula1.com/en/latest/article.what-the-teams-said-friday-in-abu-dhabi-2023.6gyDqNinpIiwGBEs7blZev.html|access-date=5 December 2023|website=Formula 1|language=en}}

In July 2024, Hadjar would take part in his first FP1 session of the year at the {{F1 GP|2024|British}} with Red Bull, ending the session in 19th.{{Cite web|title=F2 racer Hadjar to make FP1 appearance for Red Bull as junior takes over Perez's car at Silverstone|date=4 July 2024|url=https://www.formula1.com/en/latest/article/f2-racer-hadjar-to-make-fp1-appearance-for-red-bull-as-junior-takes-over.1iD1jOBGZcKUbnDdC17i9Q|access-date=6 July 2024|website=Formula 1|language=en}}{{Cite web|title=2024 British Grand Prix - Free Practice Report|date=6 July 2024|url=https://www.redbullracing.com/int-en/2024-british-grand-prix-free-practice-report|access-date=6 July 2024|website=Red Bull Racing|language=en}} Later that year, Hadjar took part in free practice during the Abu Dhabi Grand Prix, driving Max Verstappen's RB20. He finished the session in 15th.{{Cite web |date=6 December 2024 |title=Leclerc sets the pace during first practice in Abu Dhabi |url=https://www.formula1.com/en/latest/article/fp1-leclerc-sets-the-pace-during-first-practice-in-abu-dhabi-as-several.4EsiKYJ4VPfH0hKSHbGjWv |access-date=6 December 2024 |website=Formula 1 |language=en}}{{Cite web |title=F1 {{!}} Red Bull, Hadjar replaces Verstappen in Abu Dhabi first free practice |url=https://f1grandprix.motorionline.com/en/f1-red-bull-hadjar-replaces-verstappen-in-first-free-practice-in-abu-dhabi/ |access-date=6 December 2024 |website=F1GrandPrix.it |language=en}} Hadjar also drove the RB20 in the post-season Abu Dhabi rookie test, where his pace — faster than that of future teammate Yuki Tsunoda — impressed team principal Christian Horner.{{Cite web |last=Lawrence |first=Dan |date=2024-12-22 |title=Red Bull: Isack Hadjar ‘turned heads’ by beating Yuki Tsunoda in F1 post-season test |url=https://www.motorsportweek.com/2024/12/22/red-bull-isack-hadjar-turned-heads-by-beating-yuki-tsunoda-in-f1-post-season-test/ |access-date=2024-12-23 |website=Motorsport Week |language=en-GB}}

In September 2024, Hadjar was promoted to replace Liam Lawson as the reserve driver for both Red Bull Racing and RB (previously known as AlphaTauri) as Lawson replaced Daniel Ricciardo from the 2024 United States Grand Prix.{{Cite web |title=Red Bull Racing confirms: This is Lawson's replacement |url=https://www.gpblog.com/en/news/303759/hadjar-new-reserve-driver-of-red-bull-and-vcarb-after-passing-on-lawson.html |access-date=2024-10-25 |website=GPblog.com |language=en}}{{Cite web |title=Isack Hadjar |url=https://www.visacashapprb.com/int-en/team/vcarb-isack-hadjar |access-date=2024-10-25 |website=Visa Cash App RB Formula One Team |language=en}}

File:2025 Japan GP - Racing Bulls - Isack Hadjar - FP2.jpg in {{F1|2025}}.|alt=Hadjar driving the Racing Bulls VCARB 02 at the 2025 Japanese Grand Prix]]

Following the promotion of Liam Lawson to Red Bull, Hadjar partnered Yuki Tsunoda at Racing Bulls for {{F1|2025}}.{{Cite web |url=https://www.formula1.com/en/latest/article/breaking-isack-hadjar-signs-for-rb-tsunoda-final-seat-on-2025-f1-grid.6UMQgndoDfFIH5wtyxucAG |title=Hadjar signs for RB as he takes final seat on 2025 F1 grid |date=20 December 2024 |website=Formula 1 |publisher=Formula One Group |access-date=20 December 2024 |archive-url=https://web.archive.org/web/20250317134349/https://www.formula1.com/en/latest/article/breaking-isack-hadjar-signs-for-rb-tsunoda-final-seat-on-2025-f1-grid.6UMQgndoDfFIH5wtyxucAG |archive-date=17 March 2025 |url-status=live}} He qualified eleventh on debut at the {{F1GP|2025|Australian}},{{Cite magazine |url=https://www.motorsportmagazine.com/articles/single-seaters/f1/rookies-face-brutal-f1-reality-the-heroes-and-zeroes-heading-into-wet-australian-gp/ |url-access=registration |title=Brutal F1 reality for rookies: qualifying bites hard ahead of wet Australian GP |last=Cooper |first=Adam |date=15 March 2025 |magazine=Motor Sport |access-date=15 March 2025 |issn=0027-2019 |archive-url=https://web.archive.org/web/20250315182951/https://www.motorsportmagazine.com/articles/single-seaters/f1/rookies-face-brutal-f1-reality-the-heroes-and-zeroes-heading-into-wet-australian-gp/ |archive-date=15 March 2025 |url-status=live}} before spinning into the barriers on the formation lap and failing to start the race.{{Cite news|url=https://www.motorsport.com/f1/news/australian-grand-prix-delayed-after-isack-hadjar-suffers-formation-lap-crash/10703849/|title=Isack Hadjar consoled by Lewis Hamilton's father after Australia GP crash|date=16 March 2025|access-date=16 March 2025|work=Motorsport.com|last=Mee|first=Lydia|archive-url=https://web.archive.org/web/20250316143754/https://www.motorsport.com/f1/news/australian-grand-prix-delayed-after-isack-hadjar-suffers-formation-lap-crash/10703849/|archive-date=16 March 2025|url-status=live}} After finishing thirteenth in the {{F1GP|2025|Chinese}} sprint,{{Cite web |url=https://www.skysports.com/f1/news/12040/13333543/chinese-gp-sprint-lewis-hamilton-claims-first-ferrari-victory-after-holding-off-max-verstappen-at-start |title=Chinese GP Sprint: Lewis Hamilton claims first Ferrari victory after holding off Max Verstappen at start |date=22 March 2025 |website=Sky Sports |publisher=Sky Group |access-date=23 March 2025 |archive-url=https://web.archive.org/web/20250323032041/https://www.skysports.com/f1/news/12040/13333543/chinese-gp-sprint-lewis-hamilton-claims-first-ferrari-victory-after-holding-off-max-verstappen-at-start |archive-date=23 March 2025 |url-status=live}} he qualified seventh for the main race and finished eleventh due to a strategic error.{{Cite web |url=https://www.autosport.com/f1/news/hadjar-better-than-seventh-possible-in-china-f1-quali-without-wind-changes/10706002/ |title=Hadjar: Better than seventh possible in China F1 quali without wind changes |last1=Boxall-Legge |first1=Jake |last2=Karpov |first2=Oleg |date=22 March 2025 |website=Autosport |publisher=Motorsport Network |access-date=23 March 2025 |issn=0269-946X |archive-url=https://web.archive.org/web/20250323032215/https://www.autosport.com/f1/news/hadjar-better-than-seventh-possible-in-china-f1-quali-without-wind-changes/10706002/ |archive-date=23 March 2025 |url-status=live}} He qualified seventh again in Japan, before finishing eighth to claim his maiden points finish.{{Cite web |url=https://www.autosport.com/f1/news/how-a-trio-of-rookies-impressed-at-the-f1-japanese-gp/10710552/ |title=How a trio of rookies impressed at the F1 Japanese GP |last=Mann-Bryans |first=Mark |date=6 April 2025 |website=Autosport |publisher=Motorsport Network |access-date=6 April 2025 |issn=0269-946X |archive-url=https://web.archive.org/web/20250406175608/https://www.autosport.com/f1/news/how-a-trio-of-rookies-impressed-at-the-f1-japanese-gp/10710552/ |archive-date=6 April 2025 |url-status=live}} He dropped outside the points with thirteenth in Bahrain,{{Cite web |url=https://www.formula1.com/en/latest/article/racing-bulls-hadjar-reveals-the-disaster-that-compromised-his-bahrain-race.34vAHnq5AKDNAO3s7tDivQ |title=Racing Bulls' Hadjar reveals the 'disaster' that compromised his Bahrain race as Lawson defends himself over brace of penalties |date=14 April 2025 |website=Formula 1 |publisher=Formula One Group |access-date=15 April 2025 |archive-url=https://web.archive.org/web/20250415161737/https://www.formula1.com/en/latest/article/racing-bulls-hadjar-reveals-the-disaster-that-compromised-his-bahrain-race.34vAHnq5AKDNAO3s7tDivQ |archive-date=15 April 2025 |url-status=live}} before claiming tenth at the {{F1GP|2025|Saudi Arabian}} on an alternate strategy.{{Cite web |url=https://www.motorsport.com/f1/news/hadjar-lawson-pushing-me-like-tsunoda/10715694/ |title=Isack Hadjar: Liam Lawson "definitely pushing me" like Yuki Tsunoda used to |last=Vinel |first=Ben |date=21 April 2025 |website=Motorsport.com |publisher=Motorsport Network |access-date=21 April 2025 |archive-url=https://web.archive.org/web/20250421213706/https://www.motorsport.com/f1/news/hadjar-lawson-pushing-me-like-tsunoda/10715694/ |archive-date=21 April 2025 |url-status=live}} In the Miami Grand Prix sprint he qualified ninth and finished in tenth, outside of the points{{Cite web |title=Antonelli storms to remarkable pole in Sprint Qualifying |url=https://www.formula1.com/en/latest/article/antonelli-storms-to-remarkable-maiden-pole-ahead-of-piastri-and-norris.7sN5NNALUW37ECrVahLl1C |access-date=2025-06-02 |website=Formula 1® - The Official F1® Website |language=en}} and then qualified and finished eleventh in the main race, which Hadjar admitted was "frustrating".{{Cite web |title=Lawson reflects on 'tough' race in Miami after Lap 1 contact |url=https://www.formula1.com/en/latest/article/lawson-reflects-on-tough-race-in-miami-after-lap-1-contact-as-hadjar-rues.3Krl8N6zGhUTfQkULUvJbH |access-date=2025-06-02 |website=Formula 1® - The Official F1® Website |language=en}} He began a streak of consecutive point finishes at the Emilia-Romagna Grand Prix, followed by the Monaco Grand Prix and the Spanish Grand Prix, finishing ninth, sixth and seventh respectively.{{Cite web |title=Verstappen storms to victory in thrilling Emilia-Romagna GP |url=https://www.formula1.com/en/latest/article/verstappen-storms-to-victory-in-thrilling-emilia-romagna-grand-prix-ahead-of.4YJG3CyQJdFzCI6tiBtqoU |access-date=2025-06-02 |website=Formula 1® - The Official F1® Website |language=en}}{{Cite web |title=Norris takes victory over Leclerc and Piastri in Monaco |url=https://www.formula1.com/en/latest/article/norris-takes-victory-over-leclerc-and-piastri-in-gripping-monaco-grand-prix.4B7frXOoDY8UvKMu25Daoa |access-date=2025-06-02 |website=Formula 1® - The Official F1® Website |language=en}}{{Cite web |title=6 Winners and 5 Losers from Spain – Who bossed it in Barcelona? {{!}} Formula 1® |url=https://www.formula1.com/en/latest/article/6-winners-and-5-losers-from-spain-who-bossed-it-in-barcelona.4Ops5s0EP3RddYJ6MGiMuW |access-date=2025-06-02 |website=Formula 1® - The Official F1® Website |language=en}}

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

* Season still in progress.

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

(key) (Races in bold indicate pole position; races in italics indicate fastest lap)

(key) (Races in bold indicate pole position) (Races in italics indicate the fastest lap of top ten finishers)

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

(key) (Races in bold indicate pole position; races in italics indicate fastest lap)

(key) (Races in bold indicate pole position) (Races in italics indicate points for the fastest lap of top ten finishers)

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

{{asterisk}} Season still in progress.

{{notelist}}

{{Reflist}}

• {{Official website|isackhadjar.com}}
• {{DriverDB driver|isack-hadjar}}

{{S-start}}

{{S-sports}}

{{Succession box

| title = Formula Regional European Championship
Rookie Champion

| before = Inaugural

| after = Leonardo Fornaroli

| years = 2021

}}

{{S-end}}

{{Formula One teams}}

{{RB Formula One Team}}

{{RBR}}

{{Formula One drivers from France}}

{{DEFAULTSORT:Hadjar, Isack}}

Category:2004 births

Category:Living people

Category:French sportspeople of Algerian descent

Category:French racing drivers

Category:French F4 Championship drivers

Category:F3 Asian Championship drivers

Category:Formula Regional Asian Championship drivers

Category:Formula Regional European Championship drivers

Category:FIA Formula 3 Championship drivers

Category:R-ace GP drivers

Category:Hitech Grand Prix drivers

Category:Karting World Championship drivers

Category:UAE F4 Championship drivers

Category:FIA Formula 2 Championship drivers

Category:Racing drivers from Paris

Category:Evans GP drivers

Category:Campos Racing drivers

Category:21st-century French sportsmen

Category:RB Formula One drivers

Category:French Formula One drivers