During high school, Laing played for the Noble and Greenough School, serving as team captain for the 2013–14 season and being named NEPSAC Division I Player of the Year in 2014. She also played for Assabet Valley.[1] She received the 2014 John Carlton Memorial Award.[2]
From 2014 to 2019, she attended Harvard University, playing for the university's women's ice hockey programme.[3] She scored 25 points in 36 games in her rookie NCAA season, being named a finalist for the ECAC Rookie of the Year Award and notching two assists in Harvard's Beanpot victory over the Boston College Eagles.[4] She captained Harvard in her final season with the team, putting up a career-high 26 points in 31 games, leading the team in scoring and being named an All-Ivy Honorable Mention.[5][6]
She was selected 12th overall by the Boston Pride in the 2017 NWHL Draft, and would go on to sign her first professional contract with the club after graduating.[7] In her first season with the Pride, she scored 27 points in 24 games, the fourth leading scorer on her team and eight overall in the league.[8] She was named to Team Dempsey for the 2020 NWHL All-Star Game.[9]
On top of her offensive abilities, Laing has been noted both for her strong two-way play and skills as a faceoff specialist, drawing comparisons to Boston Bruins centre Patrice Bergeron.[12][13]