Countdown to
000d 00h 00m 00s1990 Portuguese Grand Prix
| No | Driver | Constructor | Laps | Lap count | Distance (km) | ||
| 1 | 27 | Ayrton Senna | McLaren-Honda | 1 – 28 | 28 | 121.800 | |
| 2 | 28 | Gerhard Berger | McLaren-Honda | 29 – 31 | 3 | 13.050 | |
| 3 | 27 | Ayrton Senna | McLaren-Honda | 32 – 49 | 18 | 78.300 | |
| 4 | 2 | Nigel Mansell | Ferrari | 50 – 61 | 12 | 52.200 |
| No | Driver | Total Laps | Total Distance | ||
| 1 | 27 | Ayrton Senna | 46 | 200.100 | |
| 2 | 2 | Nigel Mansell | 12 | 52.200 | |
| 3 | 28 | Gerhard Berger | 3 | 13.050 |