| «1968-11» | USA Grand Prix - XI United States Grand Prix |
| 1968-10-06 | Watkins Glen - Watkins Glen International - 108 laps × 3.701 km : 399.708 km |
| «1968-11» | USA Grand Prix - XI United States Grand Prix |
| 1968-10-06 | Watkins Glen - Watkins Glen International - 108 laps × 3.701 km : 399.708 km |