9. Tour de France

Celebrating its 100th year, the Tour de France cycling competition made Facebook's top 10 list. Above, Christopher Froome of Britain, wearing the overall leader's yellow jersey, and Nairo Alexander Quintana of Colombia, wearing the best young rider's white jersey, in third position, speed down Val Louron-Azet pass during the ninth stage of the Tour de France.
Laurent Cipriani / Associated Press
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