United States Grand Prix 1991
Round 1 · 
Phoenix street circuit · 10 Mar 1991
Race result
| Pos | Driver | Time / Status | Pts |
|---|---|---|---|
| 1 |  Ayrton Senna | 2:00:47.828 | 10 |
| 2 |  Alain Prost | +16.322 | 6 |
| 3 | Nelson Piquet | +1:17.376 | 4 |
| 4 |  Stefano Modena | +1:25.409 | 3 |
| 5 |  Satoru Nakajima | +1 Lap | 2 |
| 6 | Aguri Suzuki | +2 Laps | 1 |
| 7 | Nicola Larini | +3 Laps | 0 |
| 8 | Gabriele Tarquini | +4 Laps | 0 |
| 9 | Pierluigi Martini | Engine | 0 |
| 10 |  Bertrand Gachot | Engine | 0 |
| 11 |  Martin Brundle | +8 Laps | 0 |
| 12 | Jean Alesi | Gearbox | 0 |
| 13 |  Mika Häkkinen | Engine | 0 |
| R | Riccardo Patrese | Gearbox | 0 |
| R | Roberto Moreno | Collision | 0 |
| R | Michele Alboreto | Engine | 0 |
| R | Ivan Capelli | Gearbox | 0 |
| R | Thierry Boutsen | Engine | 0 |
| R |  Gerhard Berger | Fuel pump | 0 |
| R | Nigel Mansell | Gearbox | 0 |
| R | Maurício Gugelmin | Gearbox | 0 |
| R | Mark Blundell | Spun off | 0 |
| R | Emanuele Pirro | Gearbox | 0 |
| R | Gianni Morbidelli | Gearbox | 0 |
| R | Jyrki Järvilehto | Gearbox | 0 |
| R | Éric Bernard | Engine | 0 |
About the Grand Prix
The 1991 United States Grand Prix was a Formula One motor race held on March 10, 1991 in Phoenix, Arizona. It was the first race of the 1991 Formula One World Championship. The 81-lap race was won from pole position by Ayrton Senna, driving a McLaren-Honda, with Alain Prost second in a Ferrari and Nelson Piquet third in a Benetton-Ford.
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