| 🇲🇽Mexican Grand Prix 1968 | 3 Nov 1968 | McLaren-Ford | 5 | Suspension | |
| 🇺🇸United States Grand Prix 1968 | 6 Oct 1968 | McLaren-Ford | 7 | 4 | 3 |
| 🇨🇦Canadian Grand Prix 1968 | 22 Sept 1968 | McLaren-Ford | 4 | Radiator | |
| 🇮🇹Italian Grand Prix 1968 | 8 Sept 1968 | Eagle-Weslake | 12 | Engine | |
| 🇩🇪German Grand Prix 1968 | 4 Aug 1968 | Eagle-Weslake | 10 | 9 | |
| 🇬🇧British Grand Prix 1968 | 20 Jul 1968 | Eagle-Weslake | 6 | Fuel pump | |
| 🇳🇱Dutch Grand Prix 1968 | 23 Jun 1968 | Brabham-Repco | 12 | Throttle | |
| 🇲🇨Monaco Grand Prix 1968 | 26 May 1968 | Eagle-Weslake | 16 | Engine | |
| 🇿🇦South African Grand Prix 1968 | 1 Jan 1968 | Eagle-Weslake | 12 | Oil leak | |