2025 Imsa Weathertech Schedule Release Date. Imsa has announced its calendar for the 2025 imsa weathertech sportscar championship during this weekend’s 12 hours of sebring. Sebring —even though the second race of the 2024 imsa weathertech sportscar championship won’t be run until today, imsa released the 2025 schedules for both.
Imsa has announced its calendar for the 2025 imsa weathertech sportscar championship during this weekend’s 12 hours of sebring. 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 2025 weathertech.