A Williams FW12C in Thierry Boutsen's livery, the Renault-powered car type that won the 1989 Australian Grand Prix, on display at the Williams Conference Centre in Grove. Photo: Morio / Wikimedia Commons (CC BY-SA 4.0)
Thirty-seven years ago today, the 1989 Australian Grand Prix turned Adelaide’s street circuit into a river. On November 5, 1989, Thierry Boutsen won the season finale in a Williams-Renault after Alain Prost, already world champion, pulled into the pits and refused to race, and after Ayrton Senna, leading comfortably, ran into the back of Martin Brundle’s Brabham on lap 13.
It was Boutsen’s second Grand Prix victory, and one of the strangest in Formula 1 history. Only 70 of the scheduled 81 laps were completed before the two-hour time limit ended the race, the winner’s time was 2:00:17.421, and just eight cars were classified at the flag.
A Finale With the Title Already Decided
There was no championship left to fight for. Prost had been confirmed as a triple world champion two weeks earlier at Suzuka, after his collision with McLaren teammate Senna and Senna’s disqualification for cutting the chicane, a story we told in Senna and Prost at the 1989 Suzuka chicane. Prost finished the year on 76 points counted (81 in total) to Senna’s 60, and Adelaide was his last race for McLaren before his move to Ferrari.
Senna still took pole, ahead of Prost, with Pierluigi Martini third in the Minardi. Adelaide had already produced one dramatic finale, which we covered in Mansell’s tyre blowout and Prost’s 1986 title. This time the drama came from the sky.
Rain, Spray and a Champion Who Said No
Heavy rain fell on race day, and the track’s poor drainage, the spray trapped between concrete walls and the aquaplaning left drivers almost blind. Officials debated at length whether to start at all. The race did go ahead, and Prost drove into the pits and refused to continue, judging the conditions too dangerous. It remains one of the best-known examples of a champion choosing not to race.
Those who did race found that following another car meant driving into a wall of water. Several drivers hit cars they could not see, and Nelson Piquet’s Lotus ran into Piercarlo Ghinzani’s Osella in a heavy accident. It was a race of attrition: by the flag, only eight cars were classified and most of the field had retired.
Lap 13: Senna Runs Into Brundle
Senna was well clear at the front when he came up to lap Brundle’s Brabham and Piquet. On lap 13 he skidded in the spray and hit the back of Brundle’s car, losing a front wheel. Senna later said he saw nothing until the moment of impact. Both drivers escaped serious injury, but the McLaren was out, and the lead passed to Boutsen.
It showed how little a driver could do in those conditions. The man leading by a wide margin, in a McLaren-Honda that had already won the title, was the first to find out how little there was to see.
Boutsen Inherits the Lead and Keeps It
Boutsen took the lead from the stricken Senna and controlled the rest of the race. He won by 28.658 seconds from Alessandro Nannini’s Benetton-Ford, with his teammate Riccardo Patrese third for another Williams-Renault podium. Satoru Nakajima’s Lotus-Judd was fourth and Emanuele Pirro’s Benetton-Ford fifth, two laps down.
The win was Boutsen’s second wet-weather victory of the season and lifted him to fifth in the drivers’ standings with 37 points. Williams finished second in the constructors’ championship on 77 points, behind McLaren-Honda’s 141, in the first year the team ran Renault’s new V10 engine under the sport’s naturally aspirated rules.
Why It Mattered
Adelaide became a reference point in arguments about racing in the rain. It showed what happens when the track, the rules and the tyres of the day meet a downpour: a champion decided the risk was not worth it, a race leader crashed because he could not see, and the result went to whoever stayed on the road. Modern F1 has red flags, safety-car starts and tyres built for deep water, and the sport still wrestles with the call at every wet Grand Prix. That debate is live again this week, with Interlagos rain on the paddock’s agenda. If you want to understand why tyre choice matters so much when the weather turns, our explainer on tyre degradation and race strategy is a good place to start.
The Lasting Effect
For Prost, Adelaide closed his McLaren chapter, and he went to Ferrari for 1990. Senna took the 1990 title for McLaren. For Williams, the result was an early sign of what the Renault partnership would become: Williams-Renault won the constructors’ championship in 1992, 1993, 1994, 1996 and 1997, with drivers’ titles for Nigel Mansell, Prost, Damon Hill and Jacques Villeneuve. Boutsen’s wet win in Adelaide was a small step in that rise.
Adelaide itself stayed on the calendar through 1995 before the Australian Grand Prix moved to Melbourne in 1996. The street circuit kept its place in F1 lore, and the 1989 race, run in near-zero visibility with a champion in the pit lane, is a large part of why.
Related Reading on Backfire Racing
- Today in Motorsport History, October 22: Senna and Prost at the 1989 Suzuka Chicane
- Today in Motorsport History, October 26: Mansell’s Tyre Exploded at 180 mph and Prost Stole the 1986 Title in Adelaide
- Today in Motorsport History, November 4: Räikkönen Won the 2012 Abu Dhabi Grand Prix as Vettel Charged From the Pit Lane
- Understanding Tyre Degradation and Why It Shapes Race Strategy
Lead image credit: Williams FW12C in Thierry Boutsen’s livery at the Williams Conference Centre, Grove. Photo: Morio / Wikimedia Commons (CC BY-SA 4.0).
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