Castel Fusano, Ostia, Lazio, Italy
Circuit Type: Temporary road course
Original Circuit
Extension: 6,590 Km
Lap Record: 2:15.700
Year: 1954
Driver: Onofre Marimón
Car: Maserati 250F
Speed: 174,588 Km/h
Pole Record: 2:15.400
Year: 1954
Driver: Onofre Marimón
Car: Maserati 250F
Speed: 174,975 Km/h
| Year | Official Name | Date | Winning Driver | Constructor | Laps | Time | Formula |
|---|---|---|---|---|---|---|---|
| 1954 | 13º Gran Premio di Roma | June 6 |  Onofre Marimón |
 Maserati |
60 |
02:18:49.600 | F1EC |