2027 RACE CALENDAR — IMSA WeatherTech
Calendar confirmedSource: IMSA · checked on August 25, 2026 ↗
- 1Jan 28 – 31
Rolex 24 At Daytona
Daytona International Speedway - 2Mar 17 – 20
Mobil 1 Twelve Hours of Sebring
Sebring International Raceway - 3Apr 16 – 17
Grand Prix of Long Beach
Long Beach Street Circuit - 4Apr 30 – May 2
Monterey Sports Car Championship
WeatherTech Raceway Laguna Seca - 5Jun 4 – 5
Detroit Sports Car Classic
Detroit Street Circuit - 6Jun 24 – 27
Sahlen's Six Hours of The Glen
Watkins Glen International - 7Jul 9 – 11
Chevrolet Grand Prix
Canadian Tire Motorsport Park - 8Jul 29 – Aug 1
Road America
Road America - 9Aug 20 – 22
Michelin GT Challenge
Virginia International Raceway - 10Sep 17 – 19
Indianapolis Motor Speedway
Indianapolis Motor Speedway - 11Oct 6 – 9
Motul Petit Le Mans
Michelin Raceway Road Atlanta
What is confirmed so far
- 11 rounds announced
- 65th Rolex 24 At Daytona, 75th Twelve Hours of Sebring and 30th Petit Le Mans.
No date yet for the full calendar announcement.
2026 season in progress
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2026 championship
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IMSA WEATHERTECH NEWS
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IMSA WeatherTech 2027 Calendar: All Race Dates | OneRacing
The full IMSA WeatherTech 2027 calendar: 11 confirmed dates with circuit and day. Plus the 2026 season in progress, the championship and IMSA WeatherTech news on OneRacing.
When does the 2027 IMSA WeatherTech season start?
The 2027 IMSA WeatherTech season starts on Jan 28 at Daytona International Speedway.
How many races are on the 2027 IMSA WeatherTech calendar?
The 2027 calendar has 11 dates confirmed so far.
When is the 2027 IMSA WeatherTech calendar published?
It is already out — the series confirmed it and the dates are listed above.