Kalendaryo ng Karera Sandown Raceway 2003
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 11 September - 13 September | Supercars Championship Natapos | Round 10 | Betta Electrical Sandown 500 |
| 12 September - 14 September | Porsche Carrera Cup Australia Natapos | Round 5 | Betta Electrical Sandown 500 |