1985 Grand Prix of the USA
23 June - Detroit: 253.472km (4.023km x 63 laps)
Pole Position: Ayrton Senna, Lotus-Renault 97T, 1:42.051
Results
1. Keke Rosberg Williams-Honda FW10 1:55:39.851 (131.487 km/h)
2. Stefan Johansson Ferrari 156/85 - 57.549
3. Michele Alboreto Ferrari 156/85 - 1:03.170
4. Stefan Bellof Tyrrell-Ford 012 - 1:06.225
5. Elio de Angelis Lotus-Renault 97T - 1:26.966
6. Nelson Piquet Brabham-BMW BT54 - 1 lap
7. Thierry Boutsen Arrows-BMW A8 - 1 lap
8. Marc Surer Brabham-BMW BT54 - 1 lap
9. Eddie Cheever Alfa Romeo 185T - 2 laps
10. Andrea de Cesaris Ligier-Renault JS25 - 2 laps
11. Gerhard Berger Arrows-BMW A8 - 3 laps
12. Jacques Laffite Ligier-Renault JS25 - 5 laps
Fastest lap: Ayrton Senna, 1:45.612 (137.144 km/h on lap 51)
Retirements
Ayrton Senna Lotus-Renault 97T - 12 laps (Accident)
Martin Brundle Tyrrell-Ford 012 - 33 laps (Accident)
Philippe Alliot RAM-Hart 03 - 36 laps (Accident)
Nigel Mansell Williams-Honda FW10 - 37 laps (Accident)
Riccardo Patrese Alfa Romeo 185T - 44 laps (Electrics)
Alain Prost McLaren-TAG MP4/2B - 44 laps (Brakes)
Derek Warwick Renault RE60 - 45 laps (Transmission)
Patrick Tambay Renault RE60 - 48 laps (Accident)
Pierluigi Martini Minardi-Motori Moderni M185 - 52 laps (Engine)
Niki Lauda McLaren-TAG MP4/2B - 53 laps (Brakes)
Teo Fabi Toleman-Hart TG185 - 59 laps (Clutch)
Manfred Winkelhock RAM-Hart 03 - 60 laps (Turbo)
Piercarlo Ghinzani Osella-Alfa Romeo FA1G - 63 laps (Accident)
Race leaders:
Ayrton Senna 1- 7 (7 laps = 28.161 km)
Keke Rosberg 8-63 (56 laps = 225.288 km)
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Starting Grid
1. Ayrton Senna Lotus-Renault 97T 1:42.051 (141.930 km/h)
2. Nigel Mansell Williams-Honda FW10 - 1.198
3. Michele Alboreto Ferrari 156/85 - 1.697
4. Alain Prost McLaren-TAG MP4/2B - 2.037
5. Keke Rosberg Williams-Honda FW10 - 2.105
6. Derek Warwick Renault RE60 - 2.112
7. Eddie Cheever Alfa Romeo 185T - 2.180
8. Elio de Angelis Lotus-Renault 97T - 2.718
9. Stefan Johansson Ferrari 156/85 - 2.870
10. Nelson Piquet Brabham-BMW BT54 - 3.143
11. Marc Surer Brabham-BMW BT54 - 3.928
12. Niki Lauda McLaren-TAG MP4/2B - 4.215
13. Teo Fabi Toleman-Hart TG185 - 4.495
14. Riccardo Patrese Alfa Romeo 185T - 4.541
15. Patrick Tambay Renault RE60 - 4.977
16. Jacques Laffite Ligier-Renault JS25 - 5.216
17. Andrea de Cesaris Ligier-Renault JS25 - 5.342
18. Martin Brundle Tyrrell-Ford 012 - 5.512
19. Stefan Bellof Tyrrell-Ford 012 - 5.860
20. Manfred Winkelhock RAM-Hart 03 - 5.875
21. Thierry Boutsen Arrows-BMW A8 - 5.972
22. Piercarlo Ghinzani Osella-Alfa Romeo FA1G - 6.495
23. Philippe Alliot RAM-Hart 03 - 8.404
24. Gerhard Berger Arrows-BMW A8 - 23.256
25. Pierluigi Martini Minardi-Motori Moderni M185 -1:22.395