The 2009 Malaysian Grand Prix (formally the XI Petronas Malaysian Grand Prix) was a Formula One race held on 5 April 2009 at the Sepang International Circuit in Sepang, Malaysia. It was the second race of the 2009 Formula One season. The race was due to be contested over 56 laps, but due to torrential rain, the race was stopped after 31 laps. The race was won by Jenson Button for the Brawn GP team after starting from pole position.