Lightsouts is funded by donations

IMSA SportsCar Championship Countdown

Countdown to the IMSA Chevrolet Grand Prix and the next races on the IMSA SportsCar Championship 2025 season calendar.

22Days
14Hours
54Minutes
42Seconds
Race
Aug 318:10 UTC
+3 sessions
43Days
14Hours
54Minutes
42Seconds
Race
Aug 2418:10 UTC
+3 sessions
71Days
12Hours
24Minutes
42Seconds
Race
Sep 2115:40 UTC
+3 sessions
IMSA SportsCar Championship
Flag of United States
Michelin Raceway Road Atlanta
91Days
12Hours
54Minutes
42Seconds
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.