Armstrong to retire after 2011 season

Lance Armstrong at his first official RadioShack press conference in Arizona on Tuesday. He said the team will share leadership in 2010.

Lance Armstrong at his first official RadioShack press conference in Arizona on Tuesday. He said the team will share leadership in 2010. (Image credit: Casey B. Gibson)

Lance Armstrong hinted that he will quit the sport for a second and final time after the 2011 season. Speaking at the RadioShack team camp, the seven-time Tour de France winner, asked about a potential USA start to the 2012 Giro d'Italia, indicated that it would be unlikely that he would still be racing when and if that happened.