2021 GT World Challenge America, Pirelli GT4 America, TC America, GT America
| Sonoma Raceway | March 6-8 |
| Circuit of The Americas | April 30-May 2 |
| Virginia International Raceway |
June 5-6 |
| Nashville GP (GT America) | August 6-8 |
| Road America | August 27-29 |
| Watkins Glen | September 17-19 |
| Sebring | October 1-3 |
| Indianapolis Motor Speedway | Oct. 15-17 |
