The race includes six mountain stages (stages 10, 11, 16, 17, 18 & 19) tackling five 1st category climbs (Aubisque, Tourmalet, Izoard, Iseran, and Grand Saint-Bernard) and seven 2nd category climbs (Aspin, Peyresourde, Allos, Vars, Mt. Cenis, Petit Saint Bernard, and Mosses).
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