Kalendaryo ng Karera Winton Motor Raceway 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 27 Marso - 28 Marso | Porsche 944 Challenge Natapos | Round 3 | |
| 29 Mayo - 30 Mayo | Supercars Championship Natapos | Round 14 | Winton SuperSprint |
| 1 Oktubre - 3 Oktubre | Porsche Carrera Cup Australia Natapos | Round 6 | Winton SuperSprint |
| 2 Oktubre - 3 Oktubre | Supercars Championship Natapos | Round 16 | Winton SuperSprint |