Hagen, who competes for Haslum IL , made her international debut on August 29, 2014 as part of the School Grand Prix in Oberstdorf , where she finished fifth in the 4 km Gundersen competition on the Mittelschanze.
At the Norwegian championships in November 2018, Hagen was runner-up behind Gyda Westvold Hansen . She was able to maintain this position as the second best Norwegian woman throughout the winter. In December 2018 she made her debut in the Continental Cup , which was still the highest competition series for women this season. With a total of four placements among the top ten, Hagen established himself among the world's best and finally reached seventh place in the overall ranking.
Norway
