2025 IMSA Calendar

Round #EventLengthClassesCircuitDate
1Rolex 24 at Daytona24 hoursAllDaytona International Speedway25 - 26 January
2Mobil 1 Twelve Hours of Sebring12 hoursAllSebring International Speedway15 March
3Acura Grand Prix of Long Beach1 hour, 40 minutesGTP, GTDLong Beach Street Circuit12 April
4Motul Course de Monterey2 hours, 40 minutesGTP, GTD PRO, GTDWeatherTech Raceway Laguna Seca11 May
5Detroit Grand Prix1 hour, 40 minutesGTP, GTD PRODetroit Street Circuit31 May
6Sahlen's Six Hours of the Glen6 hoursAllWatkins Glen International29 June
7Chevrolet Grand Prix2 hours, 40 minutesLMP2, GTD PRO, GTDCanadian Tire Motorsport Park13 July
8IMSA Sportscar Weekend2 hours, 40 minutesAllRoad America03 August
9Michelin GT Challenge at VIR2 hours, 40 minutesGTD PRO, GTDVirginia International Raceway24 August
10Tirerack.com Battle on the Bricks6 HoursAllIndianapolis Motor Speedway21 September
11Motul Petit Le Mans10 hoursAllMichelin Raceway Road Atlanta11 October