1991 Grand Prix of Monaco
12 May - Monte Carlo: 259.584km (3.328km x 78 laps)
Pole Position: Ayrton Senna, McLaren-Honda MP4/6, 1:20.344
Results
1. Ayrton Senna McLaren-Honda MP4/6 1:53:02.334 (137.785 km/h)
2. Nigel Mansell Williams-Renault FW14 - 18.348
3. Jean Alesi Ferrari 642 - 47.455
4. Roberto Moreno Benetton-Ford B191 - 1 lap
5. Alain Prost Ferrari 642 - 1 lap
6. Emanuele Pirro Dallara-Judd 191 - 1 lap
7. Thierry Boutsen Ligier-Lamborghini JS35 - 2 laps
8. Bertrand Gachot Jordan-Ford 191 - 2 laps
9. Eric Bernard Lola-Ford L91 - 2 laps
10. Erik Comas Ligier-Lamborghini JS35 - 2 laps
11. J.J. Lehto Dallara-Judd 191 - 3 laps
12. Pierluigi Martini Minardi-Ferrari M191 - 6 laps
Fastest lap: Alain Prost, 1:24.368 (142.006 km/h on lap 77)
Retirements
Mika Häkkinen Lotus-Judd 102B - 14 laps (Oil leak/Fire)
Gianni Morbidelli Minardi-Ferrari M191 - 29 laps (Gearbox)
Mauricio Gugelmin Leyton House-Ilmor CG911 - 35 laps (Throttle)
Stefano Modena Tyrrell-Honda 020 - 36 laps (Engine)
Riccardo Patrese Williams-Renault FW14 - 36 laps (Spun)
Mark Blundell Brabham-Yamaha BT60Y - 37 laps (Spun)
Michele Alboreto Footwork-Porsche FA12 - 39 laps (Engine)
Satoru Nakajima Tyrrell-Honda 020 - 43 laps (Spun)
Aguri Suzuki Lola-Ford L91 - 54 laps (Brakes/Accident)
Andrea de Cesaris Jordan-Ford 191 - 57 laps (Throttle)
Ivan Capelli Leyton House-Ilmor CG911 - 66 laps (Brakes)
Gabriele Tarquini AGS-Ford JH25 - 69 laps (Gearbox)
Gerhard Berger McLaren-Honda MP4/6 - 69 laps (Spun)
Nelson Piquet Benetton-Ford B191 - 78 laps (Accident/Suspension)
Did Not Qualify
Julian Bailey Lotus-Judd 102B
Fabrizio Barbazza AGS-Ford JH25
Alex Caffi Footwork-Porsche FA12 No time (Accident/Injury)
Martin Brundle Brabham-Yamaha BT60Y Excluded (Missed weight check)
Did Not Pre-qualify
Nicola Larini Lamborghini 291
Eric van de Poele Lamborghini 291
Pedro Chaves Coloni-Ford C4
Olivier Grouillard Fomet-Ford F1
Race leaders:
Ayrton Senna 1-78 (78 laps = 259.584 km)
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Starting Grid
1. Ayrton Senna McLaren-Honda MP4/6 1:20.344 (149.119 km/h)
2. Stefano Modena Tyrrell-Honda 020 - 0.465
3. Riccardo Patrese Williams-Renault FW14 - 0.629
4. Nelson Piquet Benetton-Ford B191 - 0.815
5. Nigel Mansell Williams-Renault FW14 - 0.861
6. Gerhard Berger McLaren-Honda MP4/6 - 0.878
7. Alain Prost Ferrari 642 - 1.111
8. Roberto Moreno Benetton-Ford B191 - 1.460
9. Jean Alesi Ferrari 642 - 1.566
10. Andrea de Cesaris Jordan-Ford 191 - 2.420
11. Satoru Nakajima Tyrrell-Honda 020 - 2.628
12. Emanuele Pirro Dallara-Judd 191 - 2.678
13. J.J. Lehto Dallara-Judd 191 - 2.679
14. Pierluigi Martini Minardi-Ferrari M191 - 2.720
15. Mauricio Gugelmin Leyton House-Ilmor CG911 - 3.050
16. Thierry Boutsen Ligier-Lamborghini JS35 - 3.087
17. Gianni Morbidelli Minardi-Ferrari M191 - 3.240
18. Ivan Capelli Leyton House-Ilmor CG911 - 3.298
19. Aguri Suzuki Lola-Ford L91 - 3.554
20. Gabriele Tarquini AGS-Ford JH25 - 3.565
21. Eric Bernard Lola-Ford L91 - 3.735
22. Mark Blundell Brabham-Yamaha BT60Y - 3.765
23. Erik Comas Ligier-Lamborghini JS35 - 3.807
24. Bertrand Gachot Jordan-Ford 191 - 3.864
25. Michele Alboreto Footwork-Porsche FA12 - 4.262
26. Mika Häkkinen Lotus-Judd 102B - 4.485
Did Not Qualify
27. Julian Bailey Lotus-Judd 102B - 6.651
28. Fabrizio Barbazza AGS-Ford JH25 - 6.735
29. Alex Caffi Footwork-Porsche FA12 No time (Accident/Injury)
30. Martin Brundle Brabham-Yamaha BT60Y Excluded (Missed weight check)
Did Not Pre-qualify
31. Nicola Larini Lamborghini 291 - 5.549
32. Eric van de Poele Lamborghini 291 - 5.938
33. Pedro Chaves Coloni-Ford C4 - 7.045
34. Olivier Grouillard Fomet-Ford F1 - 7.415