 He won the Ultra-Trail du Mont-Blanc in 2013, 2015 and 2018.A native of the ski resort Les Plans d'Hotonnes, and a former cross-country skier and biathlete, he started running as physical training over the summer months, before entering his first ultra running competitions in 2010.He is the only athlete to have achieved the Ultra-Trail du Mont-Blanc Grand Slam with victories in the four individual races