Click the links for more event information.
IMSA SCHEDULE
Daytona International Speedway: January 22-24
Daytona International Speedway: January 28-31
Sebring International Raceway: March 17-20
Mid-Ohio Sports Car Course: May 14-15
Watkins Glen International: June 24-27
Canadian Tire Motorsport Park: July 2-4
Lime Rock Park: July 16-17
Road America: August 6-8
VIRginia International Raceway: August 20-22
WeatherTech Raceway Laguna Seca: September 10-12
Michelin Raceway Road Atlanta: October 6-9
https://www.imsa.com/michelinpilotchallenge/imsa-michelin-pilot-challenge-2021-schedule/
SRO SCHEDULE
Sonoma Raceway: March 5-7
Circuit of the Americas: April 30-May 2
Canadian Tire Motorsport Park: May 21-23
VIRginia International Raceway: June 11-13
Road America: August 27-29
Watkins Glen International: September 17-19
Indianapolis Motor Speedway: October 15-17