1906 Grand Prix season Other Grands Prix Other Grands Prix

| Name_ | Circuit | Date_ | Winning_driver | Winning_constructor | Report |
|---|---|---|---|---|---|
| Cuban Race | Havana | 12 February | Victor Demogeot | Darracq | Report |
| Targa Florio | Madonie | 6 May | Alessandro Cagno | Itala | Report |
| Circuit des Ardennes | Bastogne | 13 August | Arthur Duray | de Dietrich | Report |
| Vanderbilt Elimination Race | Long Island | 22 September | Joe Tracy | Locomobile | Report |
| Vanderbilt Cup | Long Island | 6 October | Louis Wagner | Darracq | Report |