1989 Grand Prix of San Marino
23 April - Imola: 307.440km (5.040km x 61 laps)
Race interrupted after 3 laps due to an accident.
Restarted for 55 laps (58 laps = 292.320 km), with results aggregated.
Pole Position: Ayrton Senna, McLaren-Honda MP4/5, 1:26.010
Results
1. Ayrton Senna McLaren-Honda MP4/5 1:26:51.245 (201.939 km/h)
2. Alain Prost McLaren-Honda MP4/5 - 40.225
3. Alessandro Nannini Benetton-Ford B188 - 1 lap
4. Thierry Boutsen Williams-Renault FW12C - 1 lap
5. Derek Warwick Arrows-Ford A11 - 1 lap
6. Jonathan Palmer Tyrrell-Ford 018 - 1 lap
7. Alex Caffi Dallara-Ford 189 - 1 lap
8. Gabriele Tarquini AGS-Ford JH23B - 1 lap
9. Eddie Cheever Arrows-Ford A11 - 2 laps
10. Andrea de Cesaris Dallara-Ford 189 - 2 laps
11. Johnny Herbert Benetton-Ford B188 - 2 laps
12. Nicola Larini Osella-Ford FA1M - 6 laps (Hub/Accident)
Fastest lap: Alain Prost, 1:26.795 (209.044 km/h on lap 45)
Retirements
Martin Brundle Brabham-Judd BT58 - 7 laps (Fuel system)
Satoru Nakajima Lotus-Judd 101 - 12 laps (Not classified)
Luis Perez-Sala Minardi-Ford M188B - 15 laps (Spun)
Mauricio Gugelmin March-Judd 881 - 19 laps (Clutch)
Nelson Piquet Lotus-Judd 101 - 29 laps (Engine)
Nigel Mansell Ferrari 640 - 35 laps (Gearbox)
Riccardo Patrese Williams-Renault FW12C - 37 laps (Camshaft)
Stefano Modena Brabham-Judd BT58 - 39 laps (Spun)
Pierluigi Martini Minardi-Ford M188B - 52 laps (Gearbox)
Olivier Grouillard Ligier-Ford JS33 - 54 laps (Disqualified/Worked on car between starts)
Gerhard Berger Ferrari 640 - 55 laps (Accident/Fire)
Ivan Capelli March-Judd 881 - 57 laps (Spun)
Philippe Alliot Lola-Lamborghini LC89 - 58 laps (Electrics)
Did Not Start
Yannick Dalmas Lola-Lamborghini LC89 Electrics on dummy grid
Did Not Qualify
Michele Alboreto Tyrrell-Ford 018
René Arnoux Ligier-Ford JS33
Christian Danner Rial-Ford ARC2
Roberto Moreno Coloni-Ford FC188B
Did Not Pre-qualify
Bertrand Gachot Onyx-Ford ORE-1
Gregor Foitek EuroBrun-Judd ER188B
Piercarlo Ghinzani Osella-Ford FA1M
Stefan Johansson Onyx-Ford ORE-1
Joachim Winkelhock AGS-Ford JH23B
Pierre-Henri Raphanel Coloni-Ford FC188B
Aguri Suzuki Zakspeed-Yamaha 891
Bernd Schneider Zakspeed-Yamaha 891
Volker Weidler Rial-Ford ARC2
Race leaders:
Ayrton Senna 1-58 (58 laps = 292.320 km)
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Starting Grid
1. Ayrton Senna McLaren-Honda MP4/5 1:26.010 (210.952 km/h)
2. Alain Prost McLaren-Honda MP4/5 - 0.225
3. Nigel Mansell Ferrari 640 - 1.642
4. Riccardo Patrese Williams-Renault FW12C - 1.910
5. Gerhard Berger Ferrari 640 - 2.079
6. Thierry Boutsen Williams-Renault FW12C - 2.298
7. Alessandro Nannini Benetton-Ford B188 - 2.844
8. Nelson Piquet Lotus-Judd 101 - 3.047
9. Alex Caffi Dallara-Ford 189 - 3.059
10. Olivier Grouillard Ligier-Ford JS33 - 3.094
11. Pierluigi Martini Minardi-Ford M188B - 3.142
12. Derek Warwick Arrows-Ford A11 - 3.271
13. Ivan Capelli March-Judd 881 - 3.375
14. Nicola Larini Osella-Ford FA1M - 3.478
15. Luis Perez-Sala Minardi-Ford M188B - 3.493
16. Andrea de Cesaris Dallara-Ford 189 - 3.659
17. Stefano Modena Brabham-Judd BT58 - 3.751
18. Gabriele Tarquini AGS-Ford JH23B - 3.903
19. Mauricio Gugelmin March-Judd 881 - 4.153
20. Philippe Alliot Lola-Lamborghini LC89 - 4.158
21. Eddie Cheever Arrows-Ford A11 - 4.223
22. Martin Brundle Brabham-Judd BT58 - 4.261
23. Johnny Herbert Benetton-Ford B188 - 4.337
24. Satoru Nakajima Lotus-Judd 101 - 4.687
25. Jonathan Palmer Tyrrell-Ford 018 - 4.918
26. Yannick Dalmas Lola-Lamborghini LC89 - 5.127
Did Not Qualify
27. Michele Alboreto Tyrrell-Ford 018 - 5.196
28. René Arnoux Ligier-Ford JS33 - 5.258
29. Christian Danner Rial-Ford ARC2 - 5.332
30. Roberto Moreno Coloni-Ford FC188B - 5.765
Did Not Pre-qualify
31. Bertrand Gachot Onyx-Ford ORE-1 - 4.374
32. Gregor Foitek EuroBrun-Judd ER188B - 4.610
33. Piercarlo Ghinzani Osella-Ford FA1M - 4.621
34. Stefan Johansson Onyx-Ford ORE-1 - 4.637
35. Joachim Winkelhock AGS-Ford JH23B - 6.061
36. Pierre-Henri Raphanel Coloni-Ford FC188B - 6.257
37. Aguri Suzuki Zakspeed-Yamaha 891 - 6.277
38. Bernd Schneider Zakspeed-Yamaha 891 - 6.845
39. Volker Weidler Rial-Ford ARC2 - 10.470