On November 24, 2016, it was announced that Potomak would affiliate with the Valley West Hawks, a U18 AAA boys' team from the BC Major Midget League.
[2][3] As a junior ice hockey player, Potomak was a member of the Canadian national under-18 team and participated in two IIHF U18 Women's World Championships, winning silver medals in both 2016 and 2017.
[4] She made her debut with the senior national team at age 17, appearing in a pair of contests against the United States during December 2016 in Plymouth, Michigan, U.S. and Sarnia, Ontario, Canada.
[5][6] In August 2017, Potomak was one of 28 players chosen by Hockey Canada for the Canadian national team centralized roster ahead of the 2018 Winter Olympics.
[7] Having turned 18 only two months prior, she was the youngest player selected for centralization and had to delay her freshman year at the University of Minnesota in order to participate.