Christopher Froome

Christopher Froome of Britain, wearing the overall leader's yellow jersey, rides in the pack during the eighteenth stage of the Tour de France cycling race over 172.5 kilometers (107.8 miles) with start in Gap and finish in Alpe-d'Huez, France, Thursday July 18, 2013.

Laurent Cipriani/AP

Christopher Froome of the UK, wearing the overall leader’s yellow jersey, rides in a pack on Thursday during the 18th stage of the Tour de France cycling race which runs for 172.5km starting in Gap and finishing in Alpe-d’Huez, France.

Christopher Froome of Britain, wearing the overall leader's yellow jersey

Laurent Cipriani/AP

Christopher Froome of the UK, wearing the overall leader’s yellow jersey, and Spain’s Alberto Contador, right, speed down the Manse pass on the final stretch of the 168km sixteenth stage of the Tour de France cycling race which started in Vaison-la-Romaine and finished in Gap, France, on Tuesday.