MacInnes was the head coach of the Michigan Tech Huskies from the 1956-57 season through 1981-82. His teams won three NCAA championships and seven Western Collegiate Hockey Association titles during his 26 seasons as head coach. He was named NCAA Coach of the Year twice, after the 1969-70 and 1975-76 seasons. He was also named WCHA Coach of the Year 5 times, in 1960, 1962, 1966, 1971 and 1976.
His record as Michigan Tech's coach was 555-295-39.[1]
During his final season as coach MacInnes' health began to fail and he announced in February that he would be stepping down at the end of the season.[2] Less than a year later he died at the age of 57.
National champion
Postseason invitational champion
Conference regular season champion
Conference regular season and conference tournament champion
Division regular season champion
Division regular season and conference tournament champion
Conference tournament champion