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IMSA SportsCar Championship Countdown

Countdown to GT Challenge at VIR and the next races on the IMSA SportsCar Championship 2025 season calendar.

29Days
19Hours
18Minutes
37Seconds
Race
Sep 2115:40 UTC
+3 sessions
IMSA SportsCar Championship
Flag of United States
Michelin Raceway Road Atlanta
49Days
19Hours
48Minutes
37Seconds
Race
Oct 1116:10 UTC
+3 sessions

The IMSA SportsCar series features different classes of cars, including prototypes and production-based vehicles. The season schedule consists of events taking place in United States and Canada with races ranging from 2 hours to 24 hours. The most famous event of the series is the 24 Hours of Daytona.