Isack Hadjar is one of the latest prospects to come out of the Red Bull Junior Team, so here is everything you need to know about the new Red Bull ace.
December 2024 saw the demise of Sergio Perez as a Red Bull driver and the emergence of Hadjar as a Formula 1 star with the energy drink brand’s sister team, as the Faenza outfit became Visa Cash App Racing Bulls ahead of the 2025 season.
Hadjar had been with the Red Bull Junior Team since the 2022 season after impressing motorsport advisor Helmut Marko during his 2021 Formula Regional European Championship (FRECA) campaign.
Marko immediately signed Hadjar to a contract with the Red Bull Junior Team in June 2021 after he won in Monaco. Red Bull’s backing helped Hadjar enter Formula 3 and Formula 2, before earning an F1 seat at Racing Bulls after Liam Lawson replaced Perez at Red Bull.
Ahead of the 2025 season finale in Abu Dhabi, Red Bull announced that Hadjar will replace Yuki Tsunoda at the team next year. The Racing Bulls rookie will make the step up to the sister team to partner Max Verstappen in 2026.

Isack Hadjar gained Red Bull’s backing after impressing Helmut Marko
The first few years of Hadjar’s motorsport career were spent competing in go-karts in his native France plus in European and world championships, including the CIK-FIA European OK Junior Championship in which he battled American prospect Jak Crawford.
But karting titles consistently escaped his clutches, with Hadjar achieving his best championship results with second place in the Cadet class of the Coupe de France and Challenge Rotax Max France in 2016.
Hadjar would go on to make his single-seater debut in the French F4 Championship in 2019, where he achieved a victory at the difficult Spa-Francorchamps circuit and finished seventh overall in the standings in 2019.
Another year in French F4 saw Hadjar miss out on the title after battling fellow future Red Bull junior Ayumu Iwasa, with the former ultimately finishing in third place with 231 points.
Yet Marko would make Hadjar a proposition to join Red Bull’s junior programme after he took a pole-victory-fastest lap hat-trick in a FRECA race at Monaco, earning the Austrian’s trust and also putting him into F1 feeder series Formula 3 in 2022.
Racing with Hitech Grand Prix, Hadjar managed to win on his F3 debut in Bahrain and took two more race wins plus five further podium finishes on his way to fourth overall in the series standings.
Red Bull duly promoted Hadjar to Formula 2, the main F1 proving ground for prospective talents, for 2023 after his strong rookie F3 season.
But in his debut F2 season, Hadjar finished an underwhelming 14th in the Drivers’ Championship after only securing one single podium at the Red Bull Ring amid a series of mixed results throughout the year.

Hadjar then switched to Campos Racing for the 2024 F2 season, which quickly yielded better results. Achieving four wins and eight podiums, Hadjar even fought for the 2024 F2 title and went into the season finale at the Abu Dhabi Grand Prix just 0.5 points behind.
Ultimately, stalling at the start of the Sprint Race at the Yas Marina Circuit prevented Hadjar from mounting a more substantial title challenge to Gabriel Bortoleto as the Brazilian backed up why Audi had signed him to a multi-year F1 contract with Sauber from 2025.
Isack Hadjar made his F1 weekend debut with FP1 outings for AlphaTauri and Red Bull
Hadjar’s unsuccessful F2 title bid in 2024 did not prevent Red Bull from promoting the French driver into Formula 1 with their sister team Visa Cash App Racing Bulls for 2025 after moving Lawson up to replace Perez.
Red Bull and the Faenza outfit, then operating as AlphaTauri, had also already afforded Hadjar his F1 weekend debut and plenty of useful miles in practice sessions before his race debut.
Hadjar replaced Daniel Ricciardo during the first free practice session for the 2023 Mexico City Grand Prix at the Autodromo Hermanos Rodriguez, where he set the 17th quickest time ahead of fellow reserve and academy drivers Jack Doohan and Frederik Vesti.
Red Bull would later give Hadjar outings at the Abu Dhabi Grand Prix in 2023 and 2024, as well as in FP1 for the 2024 British Grand Prix at Silverstone, where he set the 19th quickest time ahead of Visa Cash App RB’s Yuki Tsunoda.
So, with that in mind, F1 Oversteer takes a look into everything that you need to know about Hadjar and what his life outside of Formula 1 is really like…
Who is Red Bull Racing F1 driver Isack Hadjar?
Isack Hadjar is a promising French-Algerian racing driver who currently competes in Formula 1 for Visa Cash App Racing Bulls. He has also been a part of the Red Bull Junior Team driver academy programme since the 2022 season.
How old is Isack Hadjar? When was he born?
At the time of writing, Isack Hadjar is 21 years old having been born on September 28, 2004.
How tall is Isack Hadjar? What is his height in feet?
Standing at a height of 1.67m tall, Isack Hadjar measures in at 5 ft 4 in.
How good is Isack Hadjar? What’s been said about him?
Isack Hadjar has impressed many with his Formula 2 title challenge in 2024, despite having some bad luck at times out on track. Red Bull Racing team principal Christian Horner has called him ‘outstanding’, while Helmut Marko believes Hadjar is ‘absolutely’ F1 standard.
Outstanding was also one of the words that Visa Cash App Racing Bulls team principal Laurent Mekies used to describe Hadjar following confirmation of his graduation to Formula 1 in December 2024.
“We’re excited to have Isack with us, bringing a new and fresh dynamic to the team alongside Yuki [Tsunoda] in 2025,” Mekies said. “His journey to Formula 1 has been nothing short of outstanding.
“He has shown remarkable growth, with a series of impressive results in the junior single-seater ranks. He has the talent and drive necessary to compete at the highest level, and we have every confidence that he will adapt quickly and make a significant impact.”
Isack Hadjar’s Formula 1 career stats
Isack Hadjar had one of the most impressive rookie seasons in 2025, finishing the second-highest of the newcomers in his maiden season. Hadjar finished 12th in the championship standings, with one podium which came at the Dutch Grand Prix.
Hadjar’s consistent performance has seen the young Frenchman promoted up to Red Bull in 2026 to replace Yuki Tsunoda.
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