Sydney Langseth was born in 2002 and grew up in Eden Prairie, Minnesota. She graduated from Breakaway Academy in 2015 following her seventh-grade year and began playing high school hockey at Eden Prairie High School as an eighth grader.
Langseth helped Eden Prairie capture the 2016 Minnesota State High School Class 2A Girls Hockey Championship and was named the team’s Rookie of the Year. She went on to become a finalist for the 2020 Minnesota Ms. Hockey Award and finished her high school career ranked third in Eden Prairie girls hockey history in goals, assists, and points.
In addition to her high school career, Langseth played junior hockey with the U19 Minnesota Whitecaps, helping the team win the North American Hockey Academy (NAHA) Tournament.
Langseth played Division I hockey at Minnesota State University, Mankato, where she became the program’s all-time leader in games played and ranked among the school’s all-time leading scorers. During her senior season, she served as captain of the Mavericks.
Off the ice, Langseth excelled in the classroom, earning Krampade All-American Scholar honors, WCHA All-Academic Team recognition, WCHA Scholar-Athlete honors, and CSC Academic All-District honors.
Following her collegiate career, Langseth began her professional career with the Seattle Torrent, becoming the first Breakaway Academy alum to play in the Professional Women’s Hockey League. Later in 2026, she signed with PWHL Las Vegas, where she continues her professional hockey career.