The 13th stage of the Tour de France 2015 took place on July 17th, 2015. It led from Muret over 198.5 kilometers to Rodez . There was an intermediate sprint in Laboutarie after 92.5 kilometers as well as two mountain classifications in the fourth category and one mountain classification in the third category. The 13th stage counted as a medium-difficult stage. 175 riders started.
After the start, Alexandre Geniez , Thomas De Gendt , Cyril Gautier and Wilco Kelderman attempted to escape. A little later, Nathan Haas and Pierre-Luc Périchon joined them, so that six drivers ran away. The lead on the field leveled off at around four minutes. De Gendt won the intermediate sprint, André Greipel was the first in the main field and was thus again ahead of Peter Sagan in the virtual points classification . In the following, the follow-up work in the field was not consistent, in between an increase in pace caused the peloton to tear apart. The lead of the outliers decreased only slowly and was 30 kilometers from the finish line at about two minutes.
About 15 kilometers from the finish, Cyril Gautier and Wilco Kelderman attacked from the top group, only De Gendt could follow. In the peloton the pace was now higher, the lead of the three remaining escapees was seven kilometers before the end of half a minute. In the end, Kelderman tried it alone, but was caught by the field. From this situation the Belgian Greg Van Avermaet won ahead of Peter Sagan and Jan Bakelants . With the points at the stage finish, Sagan was able to defend the green jersey .