Haley Brewster is entering her second 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 in the top 20 twice and then went on to represent the USA at the 2023 Junior World Championships, snagging 10th place. 

During the 2023-24 season, Haley represented the United States of America at the U23 World Championships in Planica, Slovenia. She won a silver medal in the 20k skate race, then capped off the season as the 2024 U.S. National Champion in both the 20k skate and skate sprint at Solider Hollow, Utah.