| Round | Race | Date | Circuit | Winner |
|---|---|---|---|---|
| 1 | Swiss Grand Prix | 27th May 1951 | Circuit Bremgarten Bern, Switzerland | Juan Fangio (Alfa Romeo) |
| 2 | Indianapolis 500 | 30th May 1951 | Indianapolis Motor Speedway Indianapolis, USA | Lee Wallard (Kurtis Kraft) |
| 3 | Belgian Grand Prix | 17th Jun 1951 | Circuit de Spa-Francorchamps Spa, Belgium | Nino Farina (Alfa Romeo) |
| 4 | French Grand Prix | 1st Jul 1951 | Reims-Gueux Reims, France | Luigi Fagioli (Alfa Romeo) |
| 5 | British Grand Prix | 14th Jul 1951 | Silverstone Circuit Silverstone, UK | José Froilán González (Ferrari) |
| 6 | German Grand Prix | 29th Jul 1951 | Nürburgring Nürburg, Germany | Alberto Ascari (Ferrari) |
| 7 | Italian Grand Prix | 16th Sep 1951 | Autodromo Nazionale di Monza Monza, Italy | Alberto Ascari (Ferrari) |
| 8 | Spanish Grand Prix | 28th Oct 1951 | Circuit de Pedralbes Barcelona, Spain | Juan Fangio (Alfa Romeo) |