« Mazzia,
| Nationality | |
| Born |
Races:
| Date | Round | Ferrari | S/N | No | Team | Result |
| 19.-23.11.1952 | Carrera Panamericana | 340 America Coupé Ghia | 0150 A |
17
|
5. | |
| 05.07.1953 | Offut | 2. | ||||
| 00.00.1953 | Palm Springs | 340 America | 0032 MT | 1. | ||
| 00.00.1953 | Willow Springs | 340 America | 0032 MT | 1. | ||
| 14.12.1953 | Torrey Pines | retired | ||||
| 12.-13.06.1954 | Le Mans 24 Hours | 250 MM | ||||
| 19.-23.11.1954 | Carrera Panamericana | 500 Mondial Spyder Scaglietti Series I | 0464 MD | 3 | retired | |
| 13.03.1955 | 12h Sebring | 375 MM | 0374 MM | retired | ||
| 13.03.1955 | Sports car Championship – 12h Sebring | 750 Monza Spider Scaglietti | 0502 M |
24
|
William Doheny
|
53./retired |
| 03.12.1955 | Palm Springs | 750 Monza | 2. | |||
| 21.04.1956 | Pebble Beach | 121 LM (446 S) Spyder Scaglietti | 0546 LM | retired/accident |