Masten Gregory race record
| Grand Prix | Date | Team | Grid | Finish | Pts |
|---|---|---|---|---|---|
| Moroccan Grand Prix 1958 | 19 Oct 1958 | Maserati | 13 | 6 | |
| Italian Grand Prix 1958 | 7 Sept 1958 | Maserati | 11 | 4 | |
| Belgian Grand Prix 1958 | 15 Jun 1958 | Maserati | 3 | Engine | |
| Dutch Grand Prix 1958 | 26 May 1958 | Maserati | 14 | Fuel pump |