Kalender Balap Jalan Raya Michelin Raceway Atlanta 2021
| Tanggal | Racing Series diterjemahkan menjadi Seri Balap | Putaran | Nama Acara |
|---|---|---|---|
| 25 Maret - 28 Maret | Piala Porsche GT3 AS 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 |