| Car Number | #45 |
| Team | Rahal Letterman Lanigan Racing |
| Engine | Honda |
| Nationality | British |
| Born | July 27, 2003 - Odiham, England |
| Age | 22 |
2026 Season Stats
Career Stats
Biography
Louis Foster is a young British driver who earned his full-time IndyCar seat the old-fashioned way - by winning the championship in the series directly below it. As the 2024 Indy NXT champion, Foster proved he had the speed, consistency, and mental toughness to compete at the highest level of American open-wheel racing. His reward was a ride with Rahal Letterman Lanigan Racing, one of the most respected teams in the IndyCar paddock, where he is now learning the demands of racing at the top.
Born in Odiham, a small town in Hampshire, England, Foster follows in the footsteps of a long line of British drivers who have crossed the Atlantic to pursue their racing dreams in IndyCar. The tradition stretches back decades and includes names like Nigel Mansell, Dan Wheldon, and Justin Wilson. Foster represents the newest generation of this pipeline, bringing the technical excellence and racecraft honed in the ultra-competitive British junior motorsport scene to the diverse challenges of the IndyCar calendar.
Foster's path to IndyCar wound through several junior categories. He competed in British Formula 4, BRDC British Formula 3, and the Road to Indy ladder system in the United States, steadily climbing the ranks with impressive results at each level. His 2024 Indy NXT championship was the culmination of years of dedicated work, demonstrating his ability to win on the full variety of circuits that the American open-wheel ladder visits - from ovals to road courses to street circuits. That versatility is crucial for any driver hoping to succeed in IndyCar.
In 2026, Foster sits 21st in the championship with 46 points as he navigates the steep learning curve that every IndyCar rookie faces. The jump from Indy NXT to IndyCar is significant - the cars are faster, the fields are deeper, and the strategy is more complex. But Foster has the benefit of learning alongside veteran teammate Graham Rahal, whose two decades of IndyCar experience provide an invaluable resource. At just 22 years old, Foster has plenty of time to develop into a frontrunner. His Indy NXT championship credentials suggest the talent is there - it is simply a matter of converting that potential into IndyCar results as his experience grows.
Interesting Facts
- 2024 Indy NXT champion - won the top feeder series to earn his full-time IndyCar seat
- From Odiham in Hampshire, England - part of the long tradition of British drivers competing in American open-wheel racing
- Competed in British Formula 4 and BRDC British F3 before moving to the United States for the Road to Indy
- Teammates with 20-year IndyCar veteran Graham Rahal, son of Indy 500 winner Bobby Rahal
- One of the youngest full-time drivers on the 2026 IndyCar grid at 22 years old
Road to Indy Career
Championship Standings
| Year | Series | Pos | Team | Pts |
|---|---|---|---|---|
| 2022 | USF Pro 2000 | P1 | 451 | |
| 2023 | Indy NXT | P4 | Andretti Autosport | 410 |
| 2024 | Indy NXT | P1 | Andretti Global | 639 |
Podium Finishes (30)
| Year | Series | Track | Finish |
|---|---|---|---|
| 2022 | USF Pro 2000 | Indianapolis Grand Prix Circuit | P1 |
| 2022 | USF Pro 2000 | Lucas Oil Indianapolis Raceway Park | P1 |
| 2022 | USF Pro 2000 | Road America | P1 |
| 2022 | USF Pro 2000 | Mid-Ohio Sports Car Course | P1 |
| 2022 | USF Pro 2000 | Streets of Toronto | P1 |
| 2022 | USF Pro 2000 | Streets of Toronto | P1 |
| 2022 | USF Pro 2000 | Portland International Raceway | P1 |
| 2022 | USF Pro 2000 | Streets of St. Petersburg | P2 |
| 2022 | USF Pro 2000 | Mid-Ohio Sports Car Course | P2 |
| 2022 | USF Pro 2000 | Portland International Raceway | P2 |
| 2022 | USF Pro 2000 | Streets of St. Petersburg | P3 |
| 2022 | USF Pro 2000 | Barber Motorsports Park | P3 |
| 2023 | Indy NXT | INDY NXT by Firestone Grand Prix of Portland | P1 |
| 2023 | Indy NXT | INDY NXT by Firestone Grand Prix at Mid-Ohio | P1 |
| 2023 | Indy NXT | INDY NXT by Firestone OUTFRONT Showdown | P2 |
| 2023 | Indy NXT | INDY NXT by Firestone Grand Prix (May) | P2 |
| 2023 | Indy NXT | INDY NXT by Firestone Grand Prix of Monterey Race 2 | P3 |
| 2023 | Indy NXT | INDY NXT by Firestone Detroit Grand Prix Race 2 | P3 |
| 2024 | Indy NXT | Music City Grand Prix | P1 |
| 2024 | Indy NXT | INDY NXT By Firestone at The Milwaukee Mile | P1 |
| 2024 | Indy NXT | OUTFRONT Showdown | P1 |
| 2024 | Indy NXT | INDY NXT by Firestone at Iowa Speedway | P1 |
| 2024 | Indy NXT | Grand Prix of Monterey Race 2 | P1 |
| 2024 | Indy NXT | Grand Prix of Monterey Race 1 | P1 |
| 2024 | Indy NXT | Detroit Grand Prix | P1 |
| 2024 | Indy NXT | Indianapolis Grand Prix Race 2 | P1 |
| 2024 | Indy NXT | Grand Prix of Portland | P2 |
| 2024 | Indy NXT | Grand Prix at Mid-Ohio | P2 |
| 2024 | Indy NXT | Grand Prix at Road America | P2 |
| 2024 | Indy NXT | Grand Prix of St. Petersburg | P3 |