Originally scheduled to take place on 2 June 1985, the Grand Prix was rescheduled for September after the recently resurfaced track became damaged during the race weekend. [ 2 ]
Race
Track surface and postponement
This was the second Belgian Grand Prix to occur at a reconfigured Circuit de Spa-Francorchamps , with the first being the 1983 race . Race organisers opted to resurface the track with a material called Stress Absorbing Membrane Interlayer that intended to provide improved grip in wet-weather conditions at a cost of £3 million. [ 3 ] [ 2 ] Fédération Internationale du Sport Automobile (FISA), the governing body of Formula One, was queried about the resurfacing work and replied it would approve if...
Warm weather, the powerful turbocharged cars of the time, [ 3 ] and their wide, slick tyres, [ 2 ] damaged the track during the Friday practice session. [ 3 ] Repairs to the circuit were conducted overnight and undamaged turns were also addressed. After around 25 minutes into the Saturday practice session, all on-track activity stopped, since drivers noticed the damage and held a series of meetings. One suggestion was to cancel the remainder of the day's activities, the Sunday morning warm-up se...
Race
Missing from the grid was an injured Niki Lauda. At the end of Friday's practice session before qualifying proper, his McLaren MP4/2B's throttle stuck open while he was only touring back to the pits. The car slid off the track on the newer section of track and the three time and defending World Champion hit a guardrail and on impact the steering wheel whipped around wrenching his wrist as it did so. X-rays revealed no break but Lauda was not fit to race so he returned home to Austria for further...
Prost took pole position, averaging 135.929 mph (218.756 km/h) from Senna with Nelson Piquet qualifying third in his Brabham BT54 , with Alboreto fourth in his Ferrari 156/85 . Rain fell before the race leaving the grid to form on a damp track with wet-weather tyres for the first time since Senna won in Portugal . Senna won the start from Piquet but the Brabham spun at the first corner. Senna led from Prost, Mansell and the two Ferraris of Alboreto and Stefan Johansson . The Ferraris were soon o...
Although the marshals led the cars directly into the pits after finish, Ayrton Senna drove around them and took a lap of honour. [ 6 ]
Quick Facts
Table 1
| Pos | No | Driver | Constructor | Time |
|---|---|---|---|---|
| 1.0 | 27 | Michele Alboreto | Ferrari | 1:56.046 |
| 2.0 | 11 | Elio de Angelis | Lotus-Renault | 1:56.273 |
| 3.0 | 12 | Ayrton Senna | Lotus-Renault | 1:56.473 |
| 4.0 | 15 | Patrick Tambay | Renault | 1:56.586 |
| 5.0 | 28 | Stefan Johansson | Ferrari | 1:57.506 |
| 6.0 | 6 | Keke Rosberg | Williams-Honda | 1:57.705 |
| 7.0 | 7 | Nelson Piquet | Brabham-BMW | 1:58.122 |
| 8.0 | 25 | Andrea de Cesaris | Ligier-Renault | 1:58.302 |
| 9.0 | 17 | Gerhard Berger | Arrows-BMW | 1:58.343 |
| 10.0 | 1 | Niki Lauda | McLaren-TAG | 1:58.374 |
Table 2
| Pos | No | Driver | Constructor | Q1 | Q2 |
|---|---|---|---|---|---|
| 1 | 2 | Alain Prost | McLaren-TAG | 1:56.563 | 1:55.306 |
| 2 | 12 | Ayrton Senna | Lotus-Renault | 2:00.710 | 1:55.403 |
| 3 | 7 | Nelson Piquet | Brabham-BMW | 1:56.643 | 1:55.648 |
| 4 | 27 | Michele Alboreto | Ferrari | 1:56.999 | 1:56.021 |
| 5 | 28 | Stefan Johansson | Ferrari | 1:56.585 | 1:56.746 |
| 6 | 18 | Thierry Boutsen | Arrows-BMW | 1:59.046 | 1:56.697 |
| 7 | 5 | Nigel Mansell | Williams-Honda | 1:56.727 | 1:56.996 |
| 8 | 17 | Gerhard Berger | Arrows-BMW | 1:56.770 | nan |
| 9 | 11 | Elio de Angelis | Lotus-Renault | 1:58.852 | 1:57.322 |
| 10 | 6 | Keke Rosberg | Williams-Honda | 1:57.582 | 1:57.465 |
Table 3
| Pos | No | Driver | Constructor | Laps | Time/Retired |
|---|---|---|---|---|---|
| 1 | 12 | Ayrton Senna | Lotus-Renault | 43 | 1:34:19.893 |
| 2 | 5 | Nigel Mansell | Williams-Honda | 43 | + 28.422 |
| 3 | 2 | Alain Prost | McLaren-TAG | 43 | + 55.109 |
| 4 | 6 | Keke Rosberg | Williams-Honda | 43 | + 1:15.290 |
| 5 | 7 | Nelson Piquet | Brabham-BMW | 42 | + 1 lap |
| 6 | 16 | Derek Warwick | Renault | 42 | + 1 lap |
| 7 | 17 | Gerhard Berger | Arrows-BMW | 42 | + 1 lap |
| 8 | 8 | Marc Surer | Brabham-BMW | 42 | + 1 lap |
| 9 | 25 | Philippe Streiff | Ligier-Renault | 42 | + 1 lap |
| 10 | 18 | Thierry Boutsen | Arrows-BMW | 40 | Gearbox |