Career
Born in Dourdan, Île-de-France, Gallopin currently resides in Angerville. After two seasons with the RadioShack–Leopard squad, Gallopin joined the Lotto–Belisol team for the 2014 season. On 13 July 2014 Gallopin escaped in a breakaway on Stage 9 of the Tour de France, gaining almost 8 minutes on the leader Vincenzo Nibali to take the yellow jersey.