College Jenner played for the
Cornell Big Red from 2010 to 2015. Jenner helped Cornell reach the
NCAA Frozen Four in both her freshman and sophomore seasons. Her 70 points set a Cornell single-season record that still stands. She was named ECAC Forward of the Year as well as ECAC Player of the Year, Ivy League Player of the Year, and Patty Kazmaier Award top ten finalist — all for the second time. Jenner captained the Inferno and helped the team capture their first
Clarkson Cup championship in 2016. Contested at Ottawa's
Canadian Tire Centre, she scored twice in an 8–3 victory over
Les Canadiennes de Montréal. She helped the team win a second Clarkson Cup title in 2019. After the
2018–19 season, the CWHL abruptly ceased operations.
Professional Women's Hockey Players Association (PWHPA), 2019–2023 After the
collapse of the CWHL in 2019, Jenner helped launch the Professional Women's Hockey Players Association (PWHPA), which led a boycott of the remaining North American professional league, the
National Women's Hockey League, in a bid to gather support for the establishment of a unified, financially sustainable professional league. in Toronto, 2019In May 2022, the PWHPA signed a letter of intent with
Billie Jean King Enterprises and the
Mark Walter Group to explore a new professional league. She served on the PWHPA's bargaining committee alongside
Kendall Coyne Schofield,
Sarah Nurse,
Hilary Knight, and
Liz Knox, helping negotiate the collective bargaining agreement ratified in July 2023 that paved the way for the PWHL.
Ottawa Charge, 2023-present In 2023, Jenner was one of three initial free agent signings made by
Ottawa in the
Professional Women's Hockey League (PWHL). She and fellow Team Canada members
Emily Clark and
Emerance Maschmeyer were the first players announced by any team in the league. On December 29, 2023, Jenner was named Ottawa's captain. She scored her first PWHL goal on January 23, 2024, in a 3–1 win over
Toronto. After a slow start to the season, Jenner found chemistry with linemates
Daryl Watts and
Kateřina Mrázová. She finished the inaugural PWHL season as Ottawa's leading scorer with 20 points (9 goals, 11 assists) in 24 games, ranking sixth overall in the league. The Charge clinched their first playoff berth on the final day of the regular season. Ottawa finished third in the standings with a 12-2-4-12 record. In Game 2, she scored late in regulation to force overtime in what became the longest game in PWHL history, a 3-2 Montreal victory in quadruple overtime. Jenner added 3 points (2 goals, 1 assist) in 8 playoff games as the Charge fell to Minnesota 3-1 in the series. Following the season, Jenner reflected on the team's playoff run, stating: "We went through a lot this season. We showed a lot of resiliency, and I think these last couple weeks, we did something really special." She became the sixth player in league history and the first member of the Charge to record a four-point performance. == International play ==