MODANE VALFREJUS, FRANCE - JULY 25: Nairo Quintana (R) of Colombia and Movistar Team attacks race leader Chris Froome (left/yellow) of Great Britain and Team Sky on the Alpe d'Huez during the twentieth stage of the 2015 Tour de France, a 110.5 km stage between Modane Valfrejus and L'Alpe d'Huez on July 25, 2015 in Modane Valfrejus, France. (Photo by Bryn Lennon/Getty Images)
