| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Juan Manuel Fangio | 18 | Alfa Romeo SpA | Alfa Romeo 158/Alfa Romeo L8 | 90 | running | 78 | |
| 2 | 3 | Luigi Villoresi | 24 | Scuderia Ferrari | Ferrari 125C 02/Ferrari V12 | 90 | running | 0 | |
| 3 | 7 | Alfredo Pián | 6 | Scuderia Achille Varzi | Maserati 4CLT 1599/Maserati L4 | 88 | running | 0 | |
| 4 | 8 | Roberto Vallone | 2 | Roberto Vallone | Ferrari 166F2 GP1-49/Ferrari V12 | 86 | running | 0 | |
| 5 | 12 | Franco Rol | 20 | Officine Alfieri Maserati | Maserati 4CLT48 1604/Maserati L4 | 84 | running | 0 | |
| 6 | 11 | Louis Chiron | 10 | Officine Alfieri Maserati | Maserati 4CLT48 1606/Maserati L4 | 84 | running | 0 | |
| 7 | 5 | José Froilán González | 30 | Scuderia Achille Varzi | Maserati 4CLT48 1600/Maserati L4 | 70 | fuel pipe | 0 | |
| 8 | 18 | Emanuel de Graffenried | 32 | Enrico Platé | Maserati 4CLT48 1601/Maserati L4 | 51 | oil loss | 0 | |
| 9 | 4 | Raymond Sommer | 28 | Scuderia Ferrari | Ferrari 125-48 12C/Ferrari V12 | 39 | fuel pump | 0 | |
| 10 | 1 | Alberto Ascari | 12 | Scuderia Ferrari | Ferrari 125 C01/Ferrari V12 | 32 | accident | 12 | |
| 11 | 9 | Giovanni Bracco | 34 | Giovanni Bracco | Ferrari 166F2 GP2-49/Ferrari V12 | 28 | stalled | 0 | |
| 12 | 10 | Piero Carini | 40 | Piero Carini | Maserati 4CLT48 1608/Maserati L4 | 25 | stalled | 0 | |
| 13 | 15 | Birabongse Bhanudej Bhanubandh | 14 | Enrico Platé | Maserati 4CLT48 1607/Maserati L4 | 11 | head gasket | 0 | |
| 14 | 6 | Felice Bonetto | 44 | Scuderia Milano | Maserati 4CLT48 1610/Speluzzi L4 | 8 | brakes | 0 | |
| 15 | 14 | Leslie Brooke | 26 | Scuderia Ambrosiana | Maserati 4CLT48 1595/Maserati L4 | 8 | engine | 0 | |
| 16 | 17 | Reg Parnell | 36 | Scuderia Ambrosiana | Maserati 4CLT48 1596/Maserati L4 | 8 | engine | 0 | |
| 17 | 13 | Clemente Biondetti | 16 | Luigi de Filippis | Maserati 4CLT48 1603/Maserati L4 | 8 | gearbox | 0 | |
| 18 | 16 | Peter Whitehead | 4 | Peter Whitehead | Ferrari 125-48 10C/Ferrari V12 | 8 | head gasket | 0 | |
| 19 | 19 | Dorino Serafini | 38 | Scuderia Ferrari | Ferrari 125-48 08C/Ferrari V12 | 0 | oil pressure | 0 | |
| 20 | 20 | Rudolf Fischer | 8 | Rudolf Fischer | SVA/Fiat | 0 | oil pipe | 0 |