At the conclusion of her career at Boston College, Stack was voted the New England Division I Player of the Year after leading Hockey East in points (56) and goals (34).

Stack was also a four-time All-Conference selection, the first player to accomplish this feat in the nine-year history of Hockey East.

Selected by the Boston Blades in the 2011 CWHL Draft, Stack set a franchise record for most points scored in one season with 42.

In round-robin play at the 2012 Clarkson Cup, Stack scored two goals, as the Blades earned a 5–2 victory over the Toronto Furies.

[12] After being cut from the 2018 USA Olympic team, Stack joined the Kunlun Red Star WIH as a hockey ambassador.

[15] She appeared with the Red Star in the 2018 Clarkson Cup final where she scored the team's only goal of the game in the second period in a 2–1 loss to the Markham Thunder.