Upon graduating from Syracuse, she was signed as a free agent by the Boston Storm of the United Women's Lacrosse League.
She was on three Section II championship teams while playing alongside her older sister Alyssa Treanor.
The other athletes include wrestler Gene Mills, swimmers Liz Vilbert and Miroslav Vucetic and men's lacrosse player Mike Powell.
Treanor would finish the season leading all Syracuse players with 50 goals and 90 points, helping the program qualify for its fifth consecutive NCAA Final Four appearance.
[7][8][9] Making her debut with the Boston Storm on June 10, 2016, Treanor scored five goals, including the game-winning tally in a 17-16 final against the Baltimore Ride.
[10] Treanor would lead the Storm to the inaugural UWLX finals, losing in a hard-fought match to the Long Island Sound.
[13] During her four years BC advanced to the championship game three times (2020 season was cancelled due to COVID-19), in one which they defeated the Orange for the title.