High Quality Content by WIKIPEDIA articles! The 2009 Malaysian motorcycle Grand Prix was the sixteenth round of the 2009 Grand Prix motorcycle racing season. It took place on the weekend of October 23–25, 2009 at the Sepang International Circuit. In wet conditions the race was dominated by Casey Stoner in a return to form following a mystery illness which ended his hopes of regaining the world championship title.Valentino Rossi finished third, which clinched the 2009 MotoGP championship for him.