Coach Harrington has compiled over 384 career wins as head coach of the Watertown Red Raiders, guiding the team to 21 straight tournament appearances. During his time in Watertown, Coach Harrington led the team to three state titles, eight sectional titles and eight Middlesex League Championships. Coach Harrington has won Boston Globe Coach of the Year on three occasions and is recognized as one of the greatest basketball coaches in MIAA history. He has been inducted into the Brandeis Hall of Fame, Wakefield Hall of Fame and Watertown Hall of Fame.