1 | 1961 | French Grand Prix | 7 | 14 | Ecurie Maarsbergen | Porsche 718 | Porsche RSK | 17 | Overheating |
2 | 1962 | United States Grand Prix | 17 | 12 | Ecurie Maarsbergen | Porsche 718 | Porsche 1.5 F4 | 13 | Accident |
3 | 1962 | South African Grand Prix | 18 | 15 | Ecurie Maarsbergen | Porsche 718 | Porsche 1.5 F4 | 16 | Fuel Pump |
4 | 1963 | German Grand Prix | 22 | 17 | Ecurie Maarsbergen | Porsche 718 | Porsche 1.5 F4 | 17 | Wheel |
5 | 1964 | Dutch Grand Prix | 26 | 28 | Ecurie Maarsbergen | Porsche 718 | Porsche 1.5 F4 | 17 | Engine |