Kalendar Perlumbaan Litar Lumba Sandown 2003
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 11 September - 13 September | Kejuaraan Supercars Selesai | Round 10 | Betta Electrical Sandown 500 |
| 12 September - 14 September | Piala Porsche Carrera Australia Selesai | Round 5 | Betta Electrical Sandown 500 |