2021 GT4 America Calendar
| Event | Location | Dates |
|---|---|---|
| Sonoma Raceway | Sonoma Raceway | 05 Mar - 07 Mar |
| Circuit of the Americas | Circuit of the Americas | 30 Apr - 02 May |
| VIRginia International Raceway | Virginia International Raceway | 04 Jun - 06 Jun |
| Road America | Road America | 27 Aug - 29 Aug |
| Watkins Glen | Watkins Glen International | 17 Sep - 19 Sep |
| Indianapolis Motor Speedway | Indianapolis Motor Speedway | 13 Oct - 15 Oct |