2017 IMSA Prototype Challenge presented by Mazda:
Date Venue
March 17-18 Sebring International Raceway, Sebring, Florida*
April 21-23 Barber Motorsports Park, Birmingham, Alabama
June 30-July 2 Watkins Glen International, Watkins Glen, New York*
July 7-9 Canadian Tire Motorsport Park, Bowmanville, Ontario*
July 21-22 Lime Rock Park, Lakeville, Connecticut* **
Aug. 11-13 Grand Prix of Trois-Rivières, Trois-Rivières, Quebec
Oct. 5-7 Road Atlanta, Braselton, Georgia*
* -- In conjunction with IMSA WeatherTech SportsCar Championship events
** -- Will feature a single, 45-minute race