 Although categorised as a flat stage by the race organisers , the second half of the 191 km ( 118 @.@ 7 mi ) parcours was set to test whether the sprinters could with remain with the peloton all the way to the finish in Oyonnax . Five of the day 's six categorised climbs came in a 60 km ( 37 @.@ 3 mi ) portion of the route , with the last of these – the second @-@ category Col du Sentier – coming with just 11 @.@ 5 km ( 7 @.@ 1 mi ) remaining of the stage . The Col du Sentier was the day 's steepest climb , with an average gradient of 7 @.@ 6 % , and was one of two second @-@ category ascents , along with the 5 @.@ 6 km ( 3 @.@ 5 mi ) -long Côte de Communal ( 6 @.@ 3 % ) around 30 km ( 18 @.@ 6 mi ) prior . The descent into Oyonnax was fast , before a gradual rise to the finish . 
