After finishing sixth in the regular season, MSU defeated the defending national champion Michigan Tech, 4-3, to win the WCHA playoffs on March 5, 1966. MSU advanced to the NCAA semifinals, where they won, 2-1, over Boston University. The following day, March 19, 1966, MSU completed one of the most unlikely postseason runs with a 6-1 win over Clarkson to claim its first national championship. Goalie Gaye Cooley was named the tourney MVP.

From Spartan Hockey Highlights article on the MSU Spartan Athletics website