The Portage Terriers won the Anavet Cup and the Abbott Cup in 1973. In 1973 playoff's, the Terriers defeated the SJHL's Humboldt Broncos to win the Prairie regional and the Penticton Broncos to win the Western Canadian Championship. This moved them along to the Centennial Cup 1973 Final against the Pembroke Lumber Kings of the Central Junior A Hockey League. The Terriers defeated the Lumber Kings 4-games-to-1 to clinch their only Tier II National title.
The 1973 Portage Terriers were inducted into the Manitoba Hockey Hall of Fame in the team category.