 The eleventh stage , the first after the rest day , was the difficult stage in Andorra , with six difficult climbs and almost no flat roads . The stage was won from a breakaway by Mikel Landa ( Astana ) . Fabio Aru , Landa 's teammate , took second place and moved into the race lead . Chris Froome fell from his bike at the beginning of the stage and lost several minutes to Aru ; the following morning it was revealed that he had broken his foot in the fall and he withdrew from the race . Nairo Quintana also lost several minutes on the stage . The following stage , which took the riders from Andorra back into Spain , was won in a sprint by Danny van Poppel ( Trek Factory Racing ) after the day 's breakaway was caught in the final kilometre . Van Poppel won the stage despite puncturing his tyre with 10 kilometres ( 6 @.@ 2 mi ) remaining . The thirteenth stage – the last one before a series of three consecutive summit finishes – was won from a breakaway by Nelson Oliveira ( Lampre – Merida ) , with no impact on the general classification . 
