Kalendar Perlumbaan Phillip Island Grand Prix Circuit 2021
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 12 Mac - 14 Mac | Cabaran Porsche Sprint Australia Selesai | Round 1 | |
| 12 Mac - 14 Mac | Cabaran Porsche 944 Selesai | Round 2 | |
| 12 Mac - 14 Mac | Porsche Michelin Sprint Challenge Australia Selesai | Round 1 | |
| 15 Mei - 16 Mei | Cabaran Porsche 944 Selesai | Round 4 | |
| 25 September - 26 September | Cabaran Porsche 944 Selesai | Round 7 | |
| 22 Oktober - 24 Oktober | Piala Porsche Carrera Australia Selesai | Round 7 | Bass Coast Festival of Motorsport |
| 23 Oktober - 24 Oktober | Kejuaraan Supercars Selesai | Round 17 | Bass Coast Festival of Motorsport |
| 27 November - 28 November | Cabaran Porsche 944 Selesai | Round 5 |