Haley Brewster is entering her first year on the Stifel U.S. Cross Country Ski Team national team. Outside of the U.S. team roster, Haley is also on the University of Vermont Ski Team, and concluded her 2022-23 season with six individual podium finishes. At the 2023 NCAA Championships, she was top-20 twice and also represented the USA at the 2023 Junior World Championships, snagging 10th place. 

This 2023-24 season, Haley represented the United States of America at the U23 World Championships in Planica, Slovenia and took home a silver medal in 20k skate race and was a 2024 U.S. National Champion in the 20k skate and the skate sprint in Solider Hollow, Utah.