Kalendar Perlumbaan Litar Interlagos 2005
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 16 April - 16 April | Cabaran Porsche Sprint Brasil Selesai | Round 1 | |
| 28 Mei - 28 Mei | Cabaran Porsche Sprint Brasil Selesai | Round 2 | |
| 11 Jun - 11 Jun | Cabaran Porsche Sprint Brasil Selesai | Round 3 | |
| 22 Julai - 22 Julai | Cabaran Porsche Sprint Brasil Selesai | Round 4 | |
| 24 September - 24 September | Cabaran Porsche Sprint Brasil Selesai | Round 6 | |
| 8 Oktober - 8 Oktober | Cabaran Porsche Sprint Brasil Selesai | Round 7 | |
| 5 November - 5 November | Cabaran Porsche Sprint Brasil Selesai | Round 8 |