F1 pole positions
Polesitters
| No. | Grand Prix | Circuit | Driver | Constructor | Race | Pole margin |
|---|---|---|---|---|---|---|
| 1 |  Brazil | Jacarepagua | Ayrton Senna |  McLaren-Honda | 11 | 0.870s |
| 2 |  San Marino | Imola | Ayrton Senna | McLaren-Honda | 1 | 0.225s |
| 3 |  Monaco | Monte Carlo | Ayrton Senna | McLaren-Honda | 1 | 1.148s |
| 4 |  Mexico | Mexico City | Ayrton Senna | McLaren-Honda | 1 | 0.897s |
| 5 |  USA | Phoenix | Ayrton Senna | McLaren-Honda | DNF | 1.409s |
| 6 |  Canada | Montreal |  Alain Prost | McLaren-Honda | DNF | 0.076s |
| 7 | France | Le Castellet | Alain Prost | McLaren-Honda | 1 | 0.025s |
| 8 | Britain | Silverstone | Ayrton Senna | McLaren-Honda | DNF | 0.167s |
| 9 |  Germany | Hockenheim | Ayrton Senna | McLaren-Honda | 1 | 1.006s |
| 10 |  Hungary | Hungaroring |  Riccardo Patrese | Williams-Renault | DNF | 0.313s |
| 11 |  Belgium | Spa-Francorchamps | Ayrton Senna | McLaren-Honda | 1 | 0.596s |
| 12 | Italy | Monza | Ayrton Senna | McLaren-Honda | DNF | 1.014s |
| 13 |  Portugal | Estoril | Ayrton Senna | McLaren-Honda | DNF | 0.591s |
| 14 |  Spain | Jerez | Ayrton Senna | McLaren-Honda | 1 | 0.274s |
| 15 |  Japan | Suzuka | Ayrton Senna | McLaren-Honda | DSQ | 1.730s |
| 16 |  Australia | Adelaide | Ayrton Senna | McLaren-Honda | DNF | 0.738s |