IMSA WeatherTech Championship Calendar 2026: Full schedule, dates, venues, All races Duration
— The IMSA WeatherTech Championship preseason wrapped up last weekend.
Teams put in three days of practice and testing during the Roar Before the Rolex 24 at Daytona International Speedway. Next up is the Rolex itself. It will begin at approximately 1:40 p.m. Saturday, Jan. 24, and end at 1:40 p.m. Sunday.
The endurance classic waves the green flag on the 2026 campaign.
After that, drivers will receive a break of nearly two months before resuming with the Mobil 1 Twelve Hours of Sebring, the second-longest event on the calendar, on March 21. The 11-race slate will run through Oct. 3 and the Motul Petit Le Mans at Michelin Raceway Road Atlanta.
Ready?
Here's a glance at each stop on the calendar.
Jan. 24-25: Rolex 24 at Daytona
Where: Daytona International Speedway
Duration: 24 hours
March 21: Mobil 1 Twelve Hours of Sebring
Where: Sebring International Raceway
Duration: 12 hours
April 18: Acura Grand Prix of Long Beach
Where: Long Beach Street Circuit
Duration: 100 minutes
May 3: WeatherTech Raceway Laguna Seca
Where: WeatherTech Raceway Laguna Seca
Duration: 2 hours, 40 minutes
May 30: Chevrolet Detroit Grand Prix Presented by Lear
Where: Detroit Street Circuit
Duration: 100 minutes
June 28: Sahlen's Six Hours of the Glen
Where: Watkins Glen International
Duration: 6 hours
July 12: Chevrolet Grand Prix
Where: Canadian Tire Motorsport Park
Duration: 2 hours, 40 minutes
Aug. 2: Motul SportsCar Endurance Grand Prix
Where: Road America
Duration: 6 hours
Aug. 23: Michelin GT Challenge at VIR
Where: Virginia International Raceway
Duration: 2 hours, 40 minutes
Sept. 20: Tirerack.com Battle on the Bricks
Where: Indianapolis Motor Speedway
Duration: 2 hours, 40 minutes
Oct. 3: Motul Petit Le Mans
Where: Michelin Raceway Road Atlanta
Duration: 10 hours
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