Imsa Weathertech Sportscar Championship 2025. Imsa on thursday released the full season and michelin endurance cup entry lists for the 2025 weathertech sportscar championship season, featuring a total of 48 cars that. Usa network will present more than 30 hours of live weathertech championship coverage throughout the year.

Imsa president john doonan’s annual “state of the sport”. Usa network will present more than 30 hours of live weathertech championship coverage throughout the year.