RadioShack's US rider Chris Horner (C with red helmet) competes in the last stage of the "Vuelta" Tour of Spain, a 109,6 kilometres ride from Leganes to Madrid, on September 15, 2013. Chris Horner became the oldest ever winner of a cycling grand tour as the 41-year-old rubber stamped his victory in the Tour of Spain in Madrid today.  AFP PHOTO/ JAIME REINA        (Photo credit should read JAIME REINA/AFP/Getty Images)