| Year | Race # | Driver | Start | Finish | Car # | Team | Chassis | Engine | Tyre | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1967 | 1 | Jo Siffert | 16 | 12 | 12 | Rob Walker-Jack Durlacher Racing Team | Cooper T81 | Maserati 3.0 V12 | | 1:32.8 | 41 | 0 | 0 | engine | 0 |
| 1968 | 1 | Jo Siffert | 16 | 7 | 19 | Rob Walker-Jack Durlacher Racing Team | Cooper T81 | Maserati Tipo 10/F1 | | 1:26.4 | 77 | 0 | 0 | +3 laps | 0 |
| 1969 | 1 | Jo Siffert | 12 | 4 | 4 | Rob Walker-Jack Durlacher Racing Team | Lotus 49B | Ford Cosworth DFV | Firestone | 1:22.2 | 80 | 0 | 0 | +49.2 | 3 |
| 1970 | 1 | Graham Hill | 19 | 6 | 11 | Rob Walker Racing Team | Lotus 49C | Ford Cosworth DFV | Firestone | 1:21.6 | 79 | 0 | 0 | +1 lap | 1 |
