Brawn GP became the first constructor to qualify on pole position, and then go on to win the race the race did not reach the required 75% distance (42 laps) needed for full points to be awarded, half-points were given instead for only the fifth time in Formula One history Prior to the race, the FIA International Court of Appeal confirmed the legality of the diffuser designs on the Brawn GP, Williams and Toyota team cars. Following this ruling, Renault and Mclaren decided to run an updated diffuser design on their cars during the race Timo Glock got off to a perfect start from second on the grid and took the lead. Jarno Trulli was running second, but had to fight off Lewis Hamilton in the first corner, who had passed Jenson Button and Sebastian Vettel from fifth on the grid after a flying start. Button had also overtaken Vettel, who was running a heavier fuel load. Kimi Räikkönen, meanwhile, had pushed his Ferrari up to sixth place, making up four positions from the start. Further back in the field, there was damage sustained to the cars of Felipe Massa, Nick Heidfeld, Robert Kubica and Kazuki Nakajima, all of whom had to pit early to replace their front wings, whilst Heikki Kovalainen lost track position after running wide. Massa also complained of problems with his KERS system due to a temperature problem, and was advised to turn it off. Barrichello pulled away from Button consistently during the first part of the race. After the first set of pit-stops, it was evident that Barrichello was running a three-stop strategy, while Button and the other front runners were making two stops. This was the start of the amazing 2009 Canadian Grand Prix
