ロンド・ファン・フラーンデレン
In 2005 Boonen won the Tour of Flanders, Paris–Roubaix and the E3 Prijs Vlaanderen, and came second in the Omloop "Het Volk" behind teammate Nick Nuyens. He was first to win the Tour of Flanders, Paris–Roubaix, and the World Cycling Championship in the same season.