F1 pole positions
Polesitters
| No. | Grand Prix | Circuit | Driver | Constructor | Race | Pole margin |
|---|---|---|---|---|---|---|
| 1 |  USA | Phoenix |  Ayrton Senna |  McLaren-Honda | 1 | 1.121s |
| 2 | Brazil | Interlagos | Ayrton Senna | McLaren-Honda | 1 | 0.383s |
| 3 |  San Marino | Imola | Ayrton Senna | McLaren-Honda | 1 | 0.080s |
| 4 |  Monaco | Monte Carlo | Ayrton Senna | McLaren-Honda | 1 | 0.465s |
| 5 |  Canada | Montreal |  Riccardo Patrese | Williams-Renault | 3 | 0.388s |
| 6 |  Mexico | Mexico City | Riccardo Patrese | Williams-Renault | 1 | 0.282s |
| 7 |  France | Magny-Cours | Riccardo Patrese | Williams-Renault | 5 | 0.230s |
| 8 | Britain | Silverstone | Nigel Mansell | Williams-Renault | 1 | 0.679s |
| 9 |  Germany | Hockenheim | Nigel Mansell | Williams-Renault | 1 | 0.187s |
| 10 |  Hungary | Hungaroring | Ayrton Senna | McLaren-Honda | 1 | 1.232s |
| 11 |  Belgium | Spa-Francorchamps | Ayrton Senna | McLaren-Honda | 1 | 1.010s |
| 12 | Italy | Monza | Ayrton Senna | McLaren-Honda | 2 | 0.133s |
| 13 |  Portugal | Estoril | Riccardo Patrese | Williams-Renault | 1 | 0.220s |
| 14 |  Spain | Catalunya |  Gerhard Berger | McLaren-Honda | DNF | 0.219s |
| 15 |  Japan | Suzuka | Gerhard Berger | McLaren-Honda | 1 | 0.198s |
| 16 |  Australia | Adelaide | Ayrton Senna | McLaren-Honda | 1 | 0.344s |