2025 Weathertech Sportscar Championship. A total of 48 entries have been confirmed for the full 2025 weathertech championship season, with 56 entries slated to compete in the five michelin endurance cup rounds. Ford performance announces 2025 weathertech championship driver lineup

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. Dxdt racing’s schedule of races for the 2025 imsa weathertech sportscar championship series.