Race Result
| GP n. 343 - 15/03/1981 - Grand Prix of the United States Long Beach |
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| Winner: | Alan Jones / Williams-Ford - 1:50'41.33 | ||||||
| Pole Position: | Riccardo Patrese / Arrows-Ford - 1:19.399 | ||||||
| Fastest Lap: | Alan Jones / Williams-Ford - 1:20.901 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 1 | Williams-Ford | 80 | 1:50'41.33 | 2 | 9 | |
| 2 | 2 | Williams-Ford | 80 | + 9.19 | 3 | 6 | |
| 3 | 5 | Brabham-Ford | 80 | + 34.92 | 4 | 4 | |
| 4 | 22 | Alfa Romeo | 80 | + 49.31 | 6 | 3 | |
| 5 | 3 | Tyrrell-Ford | 80 | + 1'06.70 | 8 | 2 | |
| 6 | 33 | Theodore-Ford | 79 | + 1 lap | 17 | 1 | |
| 7 | 21 | Fittipaldi-Ford | 78 | + 2 laps | 18 | 0 | |
| 8 | 16 | Renault | 77 | + 3 laps | 20 | 0 | |
| Ret | 14 | Ensign-Ford | 70 | fuel system | 19 | 0 | |
| Ret | 28 | Ferrari | 67 | fuel system | 11 | 0 | |
| Ret | 25 | Ligier-Matra | 64 | fuel pump | 10 | 0 | |
| Ret | 6 | Brabham-Ford | 49 | accident | 15 | 0 | |
| Ret | 23 | Alfa Romeo | 41 | collision | 9 | 0 | |
| Ret | 9 | ATS-Ford | 41 | collision | 21 | 0 | |
| Ret | 20 | Fittipaldi-Ford | 41 | engine | 16 | 0 | |
| Ret | 26 | Ligier-Matra | 41 | collision | 12 | 0 | |
| Ret | 29 | Arrows-Ford | 33 | fuel system | 1 | 0 | |
| Ret | 32 | Osella-Ford | 26 | accident | 24 | 0 | |
| Ret | 12 | Lotus-Ford | 25 | accident | 7 | 0 | |
| Ret | 27 | Ferrari | 17 | halfshaft | 5 | 0 | |
| Ret | 7 | McLaren-Ford | 16 | brakes | 23 | 0 | |
| Ret | 11 | Lotus-Ford | 13 | accident | 13 | 0 | |
| Ret | 8 | McLaren-Ford | 0 | collision | 22 | 0 | |
| Ret | 15 | Renault | 0 | collision | 14 | 0 | |
| Dnq | 30 | Arrows-Ford | did not qualify | 0 | |||
| Dnq | 17 | March-Ford | did not qualify | 0 | |||
| Dnq | 18 | March-Ford | did not qualify | 0 | |||
| Dnq | 31 | Osella-Ford | did not qualify | 0 | |||
| Dnq | 4 | Tyrrell-Ford | did not qualify | 0 | |||