March 06, 2021 - 12:00 AM EST to March 07, 2021 - 12:00 AM EST
Virginia International Raceway
March 08, 2021 - 12:00 AM EST to March 09, 2021 - 12:00 AM EST
March 26, 2021 - 12:00 AM PDT to March 28, 2021 - 10:00 PM PDT
Michelin Raceway Road Atlanta
May 14, 2021 - 09:00 AM CDT to May 16, 2021 - 11:00 PM CDT
Road America
June 25, 2021 - 12:00 AM EDT to June 27, 2021 - 12:00 AM EDT
Mid-Ohio Sports Car Course