before turning back south to Luz-Saint-Sauveur. The race then turned east and began ascending to Barèges, on the lower slopes of the Hors catégorie Col du Tourmalet, before the full ascent to . After descending north-east to Sainte-Marie-de-Campan, the riders began the climb of the Category 2 Col d'Aspin to . Following a winding descent south-east to the valley at Arreau, the race continued on through Bordères-Louron for the Category 1 Col de Peyresourde to . The race then descended east through Cazeaux-de-Larboust to the valley floor at Luchon. Finally, the riders turned south for the Category 1 climb to Superbagnères, with the finish line at .