Louis Foster is a British racing driver born July 27, 2003, in Odiham, Hampshire, England. He currently competes in the IndyCar Series with Rahal Letterman Lanigan Racing, driving car number 45. Foster’s rapid ascent through the junior formulae ranks includes championships in Indy Pro 2000 (2022) and Indy NXT (2024), along with standout results in Euroformula Open, Ginetta Junior, F4 British, and BRDC British Formula 3. Named IndyCar Rookie of the Year in 2025, he signed a multi-year extension with Rahal Letterman Lanigan Racing through 2026 and beyond. His driving style emphasizes precision and consistency, particularly on road and street courses.
