 As they crossed the Col de La Gachet with 29 km ( 18 mi ) remaining , De Gendt and Sørensen had two minutes ' lead ; this was reduced to less than a minute 3 @.@ 5 km ( 2 @.@ 2 mi ) later at the summit of the penultimate climb of the day , the Côte de la Croix Blanche . Andrew Talansky ( Cannondale – Garmin ) and Majka both suffered mechanical problems around the summit of this climb . Etixx – Quick @-@ Step continued to chase the breakaway down and they were caught with 13 km ( 8 mi ) remaining . 
