Playing for BU, Regan won two National Championships and set single season records for both goals against average (GAA) and save percentage.

He received the medal despite leaving the team prior to the hockey tournament's completion in order to return to BU.

When Regan began his collegiate career at Boston University freshmen were not allowed to play on varsity teams.

[1] Joining the varsity team the following year, he and teammate Dan Brady formed one of college hockey's "all-time greatest goaltending tandems".

In the 1970–71 season, Regan's junior year, he set BU records for both GAA (1.77) and save percentage (.929) which still stand.

[4] He agreed on the condition that he was guaranteed a trip to Sapporo, Japan, site of the Winter Games, and that if he was not playing he could return to BU should they need him.