| Circuit | Pedralbes, Barcelona |
| Date | 31.10.1948 |
| Laps | 70 |
| Distance | Approx. 312,480 km / 194,208 miles |
| No | Driver | Ferrari | S/N | Team | Result |
| 14 | Prince Bira | 125 Grand Prix | 06 C | Scuderia Ferrari | retired/transmission |
| 52 | Giuseppe Farina | 125 Grand Prix | 04 C | Scuderia Ferrari | retired/transmission |
| 58 | Julio González-Pola | 125 Grand Prix | 02 C | Scuderia Ferrari | retired/engine |