Weathertech Sportscar Championship 2025. 2025 imsa michelin pilot challenge schedule: The european and asian le mans series and the imsa sportscar championship in north america.

The world endurance championship is pressing ahead with plans to expand the grid to 40 cars in 2025. Imsa president john doonan said the sanctioning body and its partners have “earned the right” to be in such a strong position to be able to confirm the.