Kalendar Perlumbaan Michelin Raceway Road Atlanta 2021
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 25 Mac - 28 Mac | Piala Porsche GT3 Piala Amerika Syarikat Selesai | Round 2 | |
| 10 November - 12 November | PCCNA - Piala Porsche Carrera Amerika Utara Selesai | Round 7 | |
| 11 November - 13 November | IMSA SportsCar Championship Selesai | Round 13 | Motul Petit Le Mans |