| Circuit | Aosta – San Bernardino |
| Date | 01.08.1948 |
| Laps | 1 |
| Distance | Approx. 33,910 km / 21,075 miles |
| No | Driver | Ferrari | S/N | Team | Result |
| 46 | Bruno Sterzi | 166 Spyder Corsa | Scuderia Inter | ? | |
| 48 | Giampiero Bianchetti | 166 Spyder Corsa | Scuderia Inter | 7. | |
| Franco Cortese | 166 Spyder Corsa | 5. |