Kalendar Perlumbaan Litar Lumba Motor Winton 2015
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 7 Mac - 8 Mac | Cabaran Porsche 944 Selesai | Round 1 | |
| 15 Mei - 17 Mei | Kejuaraan Supercars Selesai | Round 5 | NP300 NAVARA Winton SuperSprint |
| 12 Jun - 14 Jun | Cabaran Porsche Sprint Australia Selesai | Round 2 | Shannons Australian Motor Racing Nationals Round 3 |
| 12 Jun - 14 Jun | Porsche Michelin Sprint Challenge Australia Selesai | Round 3 | Shannons Australian Motor Racing Nationals Round 3 |