The 1988 Canadian Grand Prix was a Formula One motor race held on 12 June 1988 at the Circuit Gilles Villeneuve, Montreal. It was the fifth race of the 1988 Formula One World Championship. The 69-lap race was won from pole position by Brazilian driver Ayrton Senna, driving a McLaren-Honda, with French teammate Alain Prost second and Belgian Thierry Boutsen third in a Benetton-Ford. Report Qualifying The Canadian Grand Prix returned to the Formula One calendar after a year's absence. In the meantime, major changes had been made to the Circuit Gilles Villeneuve: the start-finish line, pit lane and facilities had been moved from the top end of the track to the bottom end, necessitating the removal of two turns, while other turns had been re-profiled slightly. The McLarens once again dominated qualifying, with Ayrton Senna taking his fifth consecutive pole position by just under 0.2 seconds from Alain Prost. The Ferraris of Gerhard Berger and Michele Alboreto filled the second row, while the Benetton of Alessandro Nannini was the fastest of the naturally-aspirated cars in fifth, just under 2.3 seconds behind Senna. Nelson Piquet was sixth in his Lotus, followed by Thierry Boutsen in the second Benetton, Eddie Cheever in the Arrows and Nigel Mansell in the Williams, while Philippe Streiff put in a strong performance to take tenth, which would turn out to be the best-ever grid position for the AGS team. Also achieving its best-ever grid placing was EuroBrun, as Stefano Modena took 15th. The Saturday session saw Derek Warwick suffer a big accident in his Arrows. Turning into the chicane into the new start-finish straight, Warwick slid on dirt kicked up moments before by Streiff's AGS. The Arrows spun onto the inside kerb and became airborne, then bounced several times before hitting what is now known as the "Wall of Champions" at unabated speed. Warwick was briefly knocked unconscious and hurt his back; he received aid from fellow Briton Mansell, who had suffered a similar crash at Suzuka the previous year. However, Warwick was declared fit to race and took up his 16th position on the grid. During qualifying, Williams team owner Frank Williams announced that he had concluded a deal with Renault that would see the team have exclusive use of the French company's V10 engines from the season onwards. Williams said that "for better or worse you need an association with a major manufacturer