College Schafzahl began her
collegiate career with the
Vermont Catamounts during the
2018–19 season. During her freshman year, she recorded seven goals and 10 assists in 36 games. She led all Catamounts rookies in points, and ranked tied for second-most on the team with 17. During the
2019–20 season in her sophomore year, she recorded 14 goals and 15 assists in 36 games. She led the team in goals and tied for the team lead with 29 points. During the
2020–21 season in her junior year, she recorded four goals and four assists in a season that was shortened due to the
COVID-19 pandemic. She tied for the team lead with four goals. She was named the Hockey East Player of the Month and the HCA National Player of the Month for the month of January. She led the
NCAA with nine goals and 17 points in nine games during the month. She recorded at least one point in all nine games and had six multiple point games. Following an outstanding season she was named a unanimous First Team All Hockey East selection, Hockey East Scoring Champion, Hockey East Player of the Year, and PNC Bank Three Stars Award winner. She was also named a CCM/AHCA Hockey First Team All-American and a top-ten finalist for the
Patty Kazmaier Award, becoming the first player in program history to be named a finalist for the award. During the
2022–23 season, as a graduate student, she recorded 21 goals and 24 assists in 36 games. She led the team in scoring with 45 points and tied the Vermont single season record for assists (24). Following the season she was named a First Team All Hockey East selection. She finished her career at Vermont as the program's all-time leader in goals (71), assists (74), and points (145).
Professional On 12 May 2023, Schafzahl signed a two-year contract with the
Montreal Force of the
Premier Hockey Federation (PHF). The PHF ceased operations on 29 June 2023, as a result she never played a game for the Force. On 18 September 2023, Schafzahl was drafted 39th overall by
PWHL Boston in the
2023 PWHL Draft. On 1 November 2023, she signed a two-year contract with Boston. During the
2023–24 season, she recorded three goals and three assists in 20 regular season games and three assists in eight playoff games. She scored the team's first-ever goal on January 3, 2024. During the
2024–25 season, she recorded three goals and two assists in 30 games with the Fleet. On 18 June 2025, she signed a one-year contract with the Fleet. During the
2024–25 season, she recorded three goals and two assists in 30 games. On March 16, 2026, Schafzahl was traded to the
Seattle Torrent in exchange for
Jessie Eldridge. Prior to being traded she recorded two goals and four assists in 19 games for the Fleet during the
2025–26 season. ==International play==