At the start of 2005, Schleck was joined by his younger brother Andy on , and they split the 2005 national championships between them, with Fränk winning the road race and Andy winning the time trial. Schleck's breakthrough came in 2005, with three podium places in the last month of the season. He finished all three races behind Paolo Bettini (2004 Olympic Road Race winner) and Gilberto Simoni (two times Giro d'Italia winner), losing Züri-Metzgete to Bettini, the Giro dell'Emilia to Simoni, and finishing third behind both in the Giro di Lombardia. Schleck ended 2005 ranked 13th on the 2005 ProTour riders list. He extended his contract with Riis and Team CSC until 2008, one of three riders in the team with a three-year contract.