Here’s the 2015 TUDOR Sportscar Championship Schedule:

2015 TUDOR UNITED SPORTSCAR CHAMPIONSHIP SCHEDULE
Date Event Classes
*Jan. 24-25 Daytona International Speedway ALL
*March 21 Sebring International Raceway ALL
April 18 Long Beach Street Circuit P/GTLM
May 3 Mazda Raceway Laguna Seca P/GTLM and PC/GTD
May 30 Detroit Belle Isle P/GTD
*June 28 Watkins Glen International ALL
July 12 Canadian Tire Park P/PC/GTLM
July 25 Lime Rock Park PC/GTD
Aug. 9 Road America ALL
Aug. 23 Virginia International Raceway PC/GTLM/GTD
Sept. 19 Circuit of The Americas ALL
*Oct. 3 Road Atlanta ALL
* Tequila Patrón North American Endurance Cup Races