1991 San Marino Grand Prix
503rd World Championship race, 11th World Championship San Marino Grand Prix, 12th World Championship race at Imola
Fact File
| Date: | Sunday, 28 April 1991 |
|---|---|
| Winner: |  Ayrton Senna  McLaren-Honda |
| Pole position: | Ayrton Senna McLaren-Honda |
| Fastest lap: |  Gerhard Berger McLaren-Honda |
| Circuit: | Imola, 61 laps |
| Round: | 3 of 16 |
Race Result
Starting Grid
- Highlight: race winner
- Highlight: second place
- Highlight: third place
Qualifying Result
| Pos | Driver | Constructor | Time | Gap |
|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren-Honda | 1:21.877 | |
| 2 |  Riccardo Patrese | Williams-Renault | 1:21.957 | 0.080 |
| 3 |  Alain Prost | Ferrari | 1:22.195 | 0.318 |
| 4 | Nigel Mansell | Williams-Renault | 1:22.366 | 0.489 |
| 5 | Gerhard Berger | McLaren-Honda | 1:22.567 | 0.690 |
| 6 | Stefano Modena | Tyrrell-Honda | 1:23.511 | 1.634 |
| 7 | Jean Alesi | Ferrari | 1:23.945 | 2.068 |
| 8 | Gianni Morbidelli | Minardi-Ferrari | 1:24.762 | 2.885 |
| 9 | Pierluigi Martini | Minardi-Ferrari | 1:24.807 | 2.930 |
| 10 |  Satoru Nakajima | Tyrrell-Honda | 1:25.345 | 3.468 |
| 11 | Andrea de Cesaris | Jordan-Ford Cosworth | 1:25.491 | 3.614 |
| 12 | Bertrand Gachot | Jordan-Ford Cosworth | 1:25.531 | 3.654 |
| 13 | Roberto Moreno | Benetton-Ford Cosworth | 1:25.655 | 3.778 |
| 14 | Nelson Piquet | Benetton-Ford Cosworth | 1:25.809 | 3.932 |
| 15 | Mauricio Gugelmin | Leyton House-Ilmor | 1:25.841 | 3.964 |
| 16 |  JJ Lehto | Dallara-Judd | 1:25.974 | 4.097 |
| 17 | Eric Bernard | Lola-Ford Cosworth | 1:25.983 | 4.106 |
| 18 | Martin Brundle | Brabham-Yamaha | 1:26.055 | 4.178 |
| 19 | Erik Comas | Ligier-Lamborghini | 1:26.207 | 4.330 |
| 20 | Aguri Suzuki | Lola-Ford Cosworth | 1:26.356 | 4.479 |
| 21 |  Eric van de Poele | Lamborghini | 1:26.550 | 4.673 |
| 22 | Ivan Capelli | Leyton House-Ilmor | 1:26.602 | 4.725 |
| 23 | Mark Blundell | Brabham-Yamaha | 1:26.778 | 4.901 |
| 24 | Thierry Boutsen | Ligier-Lamborghini | 1:26.998 | 5.121 |
| 25 | Mika Hakkinen | Lotus-Judd | 1:27.324 | 5.447 |
| 26 | Julian Bailey | Lotus-Judd | 1:27.976 | 6.099 |
| Did not qualify | ||||
| 27 | Gabriele Tarquini | AGS-Ford Cosworth | 1:28.175 | 6.298 |
| 28 | Fabrizio Barbazza | AGS-Ford Cosworth | 1:29.665 | 7.788 |
| 29 | Alex Caffi | Footwork-Porsche | 1:30.280 | 8.403 |
| 30 | Michele Alboreto | Footwork-Porsche | 1:30.762 | 8.885 |
| Did not pre-qualify | ||||
| 31 | Emanuele Pirro | Dallara-Judd | 1:26.305 | 4.428 |
| 32 | Olivier Grouillard | Fondmetal-Ford Cosworth | 1:26.789 | 4.912 |
| 33 | Nicola Larini | Lamborghini | 1:26.886 | 5.009 |
| 34 |  Pedro Chaves | Coloni-Ford Cosworth | 1:31.239 | 9.362 |
Championship Standings
How the championship standings stood post-race.
Driver
| Pos | Driver | Points |
|---|---|---|
| 1 | Ayrton Senna | 30 |
| 2 | Gerhard Berger | 10 |
| 3 | Alain Prost | 9 |
| 4 | Riccardo Patrese | 6 |
| 5 | Nelson Piquet | 6 |
| 6 | JJ Lehto | 4 |
| 7 | Stefano Modena | 3 |
| = | Pierluigi Martini | 3 |
| 9 | Satoru Nakajima | 2 |
| = | Mika Hakkinen | 2 |
| 11 | Aguri Suzuki | 1 |
| = | Jean Alesi | 1 |
| = | Julian Bailey | 1 |
Statistics & Milestones
- Race debut
- Driver: Eric van de Poele
- Last start
- Driver: Julian Bailey
- Wins
- Driver: 29th for Ayrton Senna
- Constructor: 89th for McLaren
- Race 1-2
- Constructor: 24th for McLaren
- Podiums
- Driver: 57th for Ayrton Senna, 22nd for Gerhard Berger, 1st and only for JJ Lehto (158th different podium finisher, 2nd Finnish driver)
- Constructor: 211th & 212th for McLaren, 2nd and last for Dallara
- Poles
- Driver: 55th for Ayrton Senna
- Constructor: 70th for McLaren
- Fastest laps
- Driver: 13th for Gerhard Berger
- Constructor: 62nd for McLaren
- Front row starts
- Driver: 67th for Ayrton Senna EQUALLED RECORD (shared with Alain Prost), 12th for Riccardo Patrese
- Points finishes
- Driver: 1st for JJ Lehto & Mika Hakkinen (245th & 246th different point scorers, 2nd & 3rd Finnish drivers), 1st and only for Julian Bailey (247th different point scorer, 50th British driver)
- Pole & win
- Driver: 24th for Ayrton Senna