Rask was selected to the roster of the Swedish national team playing in the women's ice hockey tournament at the 2014 Winter Olympics. She played in all six games but recorded the lowest icetime of any Swedish forward. Rask was selected to play for Sweden in the women's ice hockey tournament at the 2018 Winter Olympics. She played in all six games and notched six points (2 goals + 4 assists), leading all Swedish skaters in the tournament.