Nygaard started in Vuokatti for the first time in the Scandinavian Cup in December 2011 and finished 101st place over 3.75 km freestyle and 62nd place over 15 km classic. In March 2012, he ran the Birkebeinerrennet for the first time in the Marathon Cup and the Ski Classics . He achieved 45th place. In the 2013/14 season he achieved his first top ten positions in the Scandinavian Cup with seventh place in the sprint in Vuokatti and sixth place in the sprint in Meråker . He ran his first World Cup race in March 2014 in Drammen , which he finished in 66th place in the sprint. In the same month he was sixth in the Wasalauf . In the 2016/17 season he won the Vasaloppet China and the Kaiser Maximilian Run . He was also runner - up in the Wasalauf and Ylläs – Levi races, and at the end of the season he was third in the overall Ski Classics ranking. In April 2017 he won the Nordenskiöldsloppet , the longest cross-country skiing race in the world over 220 km. In the following season he won the La Sgambeda , Birkebeinerrennet, Wasalauf and the Ylläs-Levi. He took second place in the Toblach – Cortina run and third place in the Jizera Mountains run , making it second in the overall ski classics ranking. As in the previous year, he won the Nordenskiöldsloppet at the end of March 2018.