| Circuit | Mantua |
| Date | 13.06.1948 |
| Laps | 30 |
| Distance | Approx. 90,000 km / 55,935 miles |
| No | Driver | Ferrari | S/N | Team | Result |
| 2 | Tazio Nuvolari | 166 Spyder Corsa | 008 I | Scuderia Ferrari | retired/driver unwell |
| 6 | Soave Besana | 166 Spyder Corsa | 004 C | Grupo Inter | retired/mechanical |
| 12 | Franco Cortese | 166 Spyder Corsa | 014 I | Scuderia Ferrari | 2. |
| 16 | Giampiero Bianchetti | 166 Spyder Corsa | 012 I | Scuderia Ferrari | 7. |
| 24 | Gabriele Besana | 166 Spyder Corsa | Scuderia Besana | 9. | |
| 26 | Soave Besana | 166 Spyder Corsa | 004 C | Scuderia Besana |
6. |