Marcus Hellner is a Swedish cross-country skier born on April 21, 1986, in Lidingö, Sweden. He is known for his exceptional skills in both sprint and distance events. Throughout his career, Hellner has competed in multiple international competitions, including the FIS World Cup and the Winter Olympics. Hellner gained significant recognition for his performance at the 2010 Winter Olympics in Vancouver, where he won two gold medals in the 4x10 km relay and the 30 km race. He has also earned several medals at the FIS Nordic World Ski Championships, solidifying his status as one of Sweden's top cross-country skiers.