Race Result
| GP n. 45 - 05/06/1955 - Grand Prix of Belgium Circuit National de Francorchamps |
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| Winner: | Juan Manuel Fangio / Mercedes - 2:39'29.0 | ||||||
| Pole Position: | Eugenio Castellotti / Lancia - 4:18.1 | ||||||
| Fastest Lap: | Juan Manuel Fangio / Mercedes - 4:20.6 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 10 |  Juan Manuel Fangio |
Mercedes | 36 | 2:39'29.0 | 2 | 9 |
| 2 | 14 |  Stirling Moss |
Mercedes | 36 | + 8.1 | 3 | 6 |
| 3 | 2 |  Nino Farina |
Ferrari | 36 | + 1'40.5 | 4 | 4 |
| 4 | 6 |  Paul Frere |
Ferrari | 36 | + 3'25.5 | 8 | 3 |
| 5 | 24* |  Jean Behra |
Maserati | 25 | + 1 lap | 13 | 1 |
| 5 | 24* | Roberto Mieres |
Maserati | 10 | + 1 lap | 13 | 1 |
| 6 | 4 | Maurice Trintignant |
Ferrari | 35 | + 1 lap | 10 | 0 |
| 7 | 22 | Luigi Musso |
Maserati | 34 | + 2 laps | 7 | 0 |
| 8 | 26 | Cesare Perdisa |
Maserati | 33 | + 3 laps | 11 | 0 |
| 9 | 28 | Louis Rosier |
Maserati | 33 | + 3 laps | 12 | 0 |
| Ret | 12 |  Karl Kling |
Mercedes | 21 | oil leak | 6 | 0 |
| Ret | 30 | Eugenio Castellotti |
Lancia | 16 | gearbox | 1 | 0 |
| Ret | 40 | Mike Hawthorn |
Vanwall | 8 | gearbox | 9 | 0 |
| Ret | 20 | Jean Behra |
Maserati | 3 | spun off | 5 | 0 |
| * Shared driver | |||||||