 The following year in his first full season of competition, he scored his first race victory by defeating the eventual world champion Tony Cairoli in the second moto of the 2005 MX2 Czech Republic Grand Prix.Pourcel finished the season ranked fifth in the world championship overall results.In 2006 he triumphed over Cairoli in a season-long struggle for the 2006 MX2 Motocross World Championship, becoming the eighth Frenchman to win a Motocross World Championship and the third youngest rider ever to win one.