Race Result
| GP n. 410 - 23/06/1985 - Grand Prix of the United States Detroit |
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| Winner: | Keke Rosberg / Williams-Honda - 1:55'39.851 | ||||||
| Pole Position: | Ayrton Senna / Lotus-Renault - 1:42.051 | ||||||
| Fastest Lap: | Ayrton Senna / Lotus-Renault - 1:45.612 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 6 | Williams-Honda | 63 | 1:55'39.851 | 5 | 9 | |
| 2 | 28 | Ferrari | 63 | +57.549 | 9 | 6 | |
| 3 | 27 | Ferrari | 63 | + 1'03.170 | 3 | 4 | |
| 4 | 4 | Tyrrell-Ford | 63 | + 1'06.225 | 19 | 3 | |
| 5 | 11 | Lotus-Renault | 63 | + 1'26.966 | 8 | 2 | |
| 6 | 7 | Brabham-BMW | 62 | + 1 lap | 10 | 1 | |
| 7 | 18 | Arrows-BMW | 62 | + 1 lap | 21 | 0 | |
| 8 | 8 | Brabham-BMW | 62 | + 1 lap | 11 | 0 | |
| 9 | 23 | Alfa Romeo | 61 | + 2 laps | 7 | 0 | |
| 10 | 25 | Ligier-Renault | 61 | + 2 laps | 17 | 0 | |
| 11 | 17 | Arrows-BMW | 60 | + 3 laps | 24 | 0 | |
| 12 | 26 | Ligier-Renault | 58 | + 5 laps | 16 | 0 | |
| Ret | 12 | Lotus-Renault | 51 | accident | 1 | 0 | |
| Ret | 3 | Tyrrell-Ford | 30 | accident | 18 | 0 | |
| Ret | 10 | RAM-Hart | 27 | accident | 23 | 0 | |
| Ret | 5 | Williams-Honda | 26 | accident | 2 | 0 | |
| Ret | 22 | Alfa Romeo | 19 | electrical | 14 | 0 | |
| Ret | 2 | McLaren-TAG | 19 | brakes | 4 | 0 | |
| Ret | 16 | Renault | 18 | transmission | 6 | 0 | |
| Ret | 15 | Renault | 15 | accident | 15 | 0 | |
| Ret | 29 | Minardi-Motori Moderni | 11 | engine | 25 | 0 | |
| Ret | 1 | McLaren-TAG | 10 | brakes | 12 | 0 | |
| Ret | 19 | Toleman-Hart | 4 | clutch | 13 | 0 | |
| Ret | 9 | RAM-Hart | 3 | turbo | 20 | 0 | |
| Ret | 24 | Osella-Alfa Romeo | 0 | accident | 22 | 0 | |