Imsa 2025 Schedule April 2025 India. Imsa president john doonan revealed the slate of races that will make up the 2025 schedules for the weathertech championship and the imsa michelin pilot challenge. Imsa has confirmed the 2025 weathertech sportscar championship schedule, some five months ahead of its traditional release date, featuring an unchanged calendar to this year.
Van der steur racing makes their leap up from the michelin pilot challenge to the endurance cup. Acura grand prix of long beach.