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 | V8SC - Kejuaraan Supercars Selesai | Round 5 | NP300 NAVARA Winton SuperSprint |
| 12 Jun - 14 Jun | PGT3Aus - Porsche Michelin Sprint Challenge Australia Selesai | Round 3 | Shannons Australian Motor Racing Nationals Round 3 |