Valle Giulia, Rome, Italy
Circuit Type: Temporary street circuit
Extension: 7,5 Km
Lap Record: 4:17.8
Year: 1926
Driver: Gastone Brilli-Peri
Car: Alfa Romeo P2
Speed: 104,7 Km/h
| Year | Official Name | Date | Winning Driver | Constructor | Laps | Time | Formula |
|---|---|---|---|---|---|---|---|
| 1926 | II Reale Premio di Roma | March 28 |  Aymo Maggi |
 Bugatti |
40 |
03:01:25.600 | GP |