By the 2011 season, Frank's new team was confirmed as Leopard Trek and Schleck won the Critérium International, along with a podium finish at Liège-Bastogne-Liège, and he also defended his Luxembourg National Road Race title. At the Tour of France, on stage 12, Schleck attacked towards the end of the final climb finishing 3rd on Luz Ardiden. Schleck ended up 2nd overall after the Pyrenees with his brother Andy sitting in 4th. Schleck then finished 2nd on the Col du Galibier behind his brother Andy. However both lost time in the final time trial to Cadel Evans who later won the Tour that year. He finished the race third along with his brother's second, marked the first time in Tour history that siblings had shared the podium. Schleck and his brother remained with RadioShack-Nissan for the 2012 season.