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
Fastest lap: Ayrton Senna, 1:45.612 (137.144 km/h on lap 51)

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
    

    

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)

Qualifying Times:

1  12  Ayrton Senna     Lotus/Renault      1'42.051 
2  5   Nigel Mansell    Williams/Honda     1'43.249 
3  27  Michele Alboreto Ferrari            1'43.748 
4  2   Alain Prost      McLaren/TAG        1'44.088 
5  6   Keke Rosberg     Williams/Honda     1'44.156 
6  16  Derek Warwick    Renault            1'44.163 
7  23  Eddie Cheever    Alfa Romeo         1'44.231 
8  11  Elio de Angelis  Lotus/Renault      1'44.769 
9  28  Stefan Johansson Ferrari            1'44.921 
10 7   Nelson Piquet    Brabham/BMW        1'45.194 
11 8   Marc Surer       Brabham/BMW        1'45.979 
12 1   Niki Lauda       McLaren/TAG        1'46.266 
13 19  Teo Fabi         Toleman/Hart       1'46.546 
14 22  Riccardo Patrese Alfa Romeo         1'46.592 
15 15  Patrick Tambay   Renault            1'47.028 
16 26  Jacques Laffite  Ligier/Renault     1'47.267 
17 25  A.de Cesaris     Ligier/Renault     1'47.393 
18 3   Martin Brundle   Tyrrell/Ford       1'47.563 
19 4   Stefan Bellof    Tyrrell/Ford       1'47.911 
20 9   M.Winkelhock     RAM/Hart           1'47.926 
21 18  Thierry Boutsen  Arrows/BMW         1'48.023 
22 24  P.Ghinzani       Osella/Alfa Romeo  1'48.546 
23 10  Philippe Alliot  RAM/Hart           1'50.455 
24 17  Gerhard Berger   Arrows/BMW         2'05.307 
25 29  P.Martini        Minardi Moderni    3'04.446