| Grand Prix | Date | Winner | Constructor | Laps | Time |
|---|---|---|---|---|---|
 Swiss Grand Prix | 17 - 17 May |  Piero Taruffi | Ferrari | 62 | 3:01:46.100 |
'%20d='m0%200%2016%2011h61%2061%2061%2061%2060L47%2037h61%2061%2060%2061L16%2063h61%2061%2061%2061%2060L47%2089h61%2061%2060%2061L16%20115h61%2061%2061%2061%2060L47%20141h61%2061%2060%2061L16%20166h61%2061%2061%2061%2060L47%20192h61%2061%2060%2061L16%20218h61%2061%2061%2061%2060z'/%3e%3c/svg%3e) Indianapolis 500 | 30 - 30 May | Troy Ruttman | Kuzma Offenhauser | 200 | 3:52:41.880 |
 Belgian Grand Prix | 21 - 21 Jun | Alberto Ascari | Ferrari | 36 | 3:03:46.300 |
 French Grand Prix | 5 - 5 Jul | Alberto Ascari | Ferrari | 77 | 3:00:00.000 |
 British Grand Prix | 18 - 18 Jul | Alberto Ascari | Ferrari | 85 | 2:44:11.000 |
 German Grand Prix | 2 - 2 Aug | Alberto Ascari | Ferrari | 18 | 3:06:13.300 |
 Dutch Grand Prix | 16 - 16 Aug | Alberto Ascari | Ferrari | 90 | 2:53:28.500 |
| Italian Grand Prix | 6 - 6 Sept | Alberto Ascari | Ferrari | 80 | 2:50:45.600 |