In the 2016–17 season, Fillier scored 31 goals and 61 points as the Hornets claimed both league and provincial championships.[2]
Bestowed the Jr. Hornets captaincy for the 2017–18 season, Fillier led the league in playoff scoring with 12 points in 10 games and at the provincial tournament earned MVP honours.[1] She and the Hornets would fall just short of repeat titles, losing in the finals of both the league and provincial tournaments.[2]
In her sophomore season in 2019–20, Fillier matched the previous year's totals of 22 goals and 57 points, and her 1.84 points per game were the second best in the NCAA. In the ECAC tournament, she would record at least a point in each of five games, including a double-overtime game-winner against Quinnipiac University, and was named the tournament's Most Outstanding Player.[4]
Returning to the NCAA for the 2022–23 season, Fillier's 19 goals, 18 assists, and 37 points were the best totals on the Tigers, and included a hat-trick against Quinnipiac on January 29, 2023.[4]
In the 2023–24 season, Fillier scored a career-high 30 goals and 13 assists in just 29 games, leading her to be the projected first overall pick in the 2024 PWHL draft.[5]
Professional
On June 10, 2024, Fillier was selected first overall by PWHL New York, soon after rebranded as the New York Sirens, in the 2024 PWHL draft.[6] After a long period of negotiations, she signed a one-year contract with the club on November 1.[7]
Fillier took a leave of absence from Princeton in the 2021–22 season to compete with the national team.[9] Fillier and Team Canada won a gold medal at the 2021 World Championship, where she recorded three goals and six points.[4] On January 11, 2022, Fillier was named to the Canadian Olympic team.[10][11] The team won the gold medal, and Fillier finished second in tournament scoring with eight goals, including a hat-trick against Sweden in the quarterfinals.[4]
^Montroy, Liz (September 4, 2022). "Heise named MVP". iihf.com. International Ice Hockey Federation. Archived from the original on September 4, 2022. Retrieved May 12, 2024.
^ abPodnieks, Andrew (April 17, 2023). "Fillier named MVP". iihf.com. International Ice Hockey Federation. Archived from the original on June 11, 2024. Retrieved May 12, 2024.