Martin Johnsrud Sundby is a Norwegian cross-country skier who has competed since 2003.
Career
He is the silver medalist of the 2010 Winter Olympics in the team relay and the bronze medalist of the 2014 Winter Olympics in the 30 km skiathlon. The victory was regarded as a major surprise, despite Johnsrud Sundby delivering several solid displays in earlier races. He retained his Tour de Ski title in 2015 and 2016.