| Argentina | 16 Jan | Juan Manuel FangioFAN | Mercedes-Benz | 96 | 3:00:38.600 |
| Monaco | 22 May | Maurice TrintignantTRI | Ferrari | 100 | 2:58:09.700 |
| Indianapolis | 30 May | Bob SweikertSWE | Kurtis Kraft Offenhauser | 200 | 3:53:59.530 |
| Belgium | 05 Jun | Juan Manuel FangioFAN | Mercedes-Benz | 36 | 2:39:29.000 |
| Netherlands | 19 Jun | Juan Manuel FangioFAN | Mercedes-Benz | 100 | 2:54:23.800 |
| Great Britain | 16 Jul | Stirling MossMOS | Mercedes-Benz | 90 | 3:07:21.200 |
| Italy | 11 Sep | Juan Manuel FangioFAN | Mercedes-Benz | 50 | 2:25:04.400 |