1928 Grand Prix season Other Grands Prix Other Grands Prix

| Name_ | Circuit | Date_ | Winning_driver | Winning_constructor | Report |
|---|---|---|---|---|---|
| Coppa Montenero | Montenero | 19 August | Emilio Materassi | Talbot | Report |
| La Baule Grand Prix | La Baule | 23 August | Pierre Blacque Belair | Bugatti | Report |
| Boulogne Grand Prix | Boulogne | 9 September | Malcolm Campbell | Delage | Report |