Isma Racing Schedule 2025. Imsa has announced its calendar for the 2025 imsa weathertech sportscar championship during this weekend’s 12 hours of sebring. The famed polish bakery outfit has outlined da costa in their full driver lineup ahead of the 2025 imsa season.

2025 to sunday, july 27, 2025 where:. — we celebrated our 2024 isma / mss series championship saturday, october 19 at the buffalo marriott niagara along with our other top ten finishers and award winners.