A multiple karting champion in his native Switzerland, Louis Delétraz graduated to open-wheel racing in 2012 competing in the BMW Talent Cup.
He then contested the Formula Renault 2.0 NEC Championship in 2013, before finishing runner-up in the series a year later, collecting one win and five podiums along the way.
In 2015 he was crowned Formula Renault 2.0 NEC Champion, taking nine wins from a total of 12 podium finishes across 16 starts. That same season he competed in the 2015 Formula Renault 2.0 Eurocup, scoring three victories to clinch the runner-up spot in the fiercely contested championship.
Delétraz progressed to the Formula V8 3.5 Championship in 2016 where he earned ‘Rookie of the Year’ honors in a campaign that netted two wins and nine podium appearances on his way to second place in the standings.
A rookie season in the FIA Formula 2 Championship followed in 2017, with Delétraz becoming a front-runner in the category in 2018 competing for Charouz Racing System – scoring two podium finishes on his way to 10th overall in the championship.
He made his Formula 1 debut in November 2018 with Haas F1 Team, testing at Yas Marina Circuit and completing 117 laps on the day.
2019 saw a move to Carlin for a third season in the FIA Formula 2 Championship. Seven Top-10 finishes, including three podium visits, netted the Swiss driver an eighth-place championship finish. He combined his F2 commitments with seat-time in the simulator for Haas F1 Team.
Louis joined PREMA Powerteam to compete in FIA WEC, the 24 Hours of Le Mans and defend his title in the 2022 ELMS Championship. He also joined Tower Motorsport to compete in the IMSA Championship.
The 2022 was a very successful season, with 6 wins (4 in ELMS, 2 in IMSA) including Petit Le Mans. A 2nd place at the 24 Hours of Le Mans and back to back ELMS Team & Drivers title.
Following his American success, in October 2022, Louis signed with Wayne Taylor Racing with Andretti and will join the new endurance top class GTP/LMDH in 2023.
The 2023 will mark for Louis another important challenge as he will join the ELMS LMP2 Pro-Am champions Salih Yoluc and Charlie Eastwood in the European Le Mans Series with Racing team Turkey.