The event was a best of five series to be hosted by the Manitoba champion. The series was held March 24-26, 2017.
- Manitoba had two teams registered at the Senior AAA level; the Ile des Chênes North Stars and the South East Prairie Thunder. The two teams met in a best-of-five series to determine the province's representative (and Pattison Cup champion) in the Rathgaber Cup for the Western Region berth in the Allan Cup. The South East Prairie Thunder defeated the Ile des Chênes North Stars 3 games to none to advance.
- The Rosetown Red Wings are the only Senior AAA registered team in the province. They met the winner of the Manitoba Senior AAA playoff for a berth in the Allan Cup. The Red Wings played in the Alberta-based Chinook Hockey League for the 2016-17 season but tried to qualify for the Allan Cup seperate of that league's playoffs.
- Game 1: South East Prairie Thunder defeated Rosetown Red Wings 4-3
- Game 2: South East Prairie Thunder defeated Rosetown Red Wings 3-1
- Game 3: South East Prairie Thunder defeated Rosetown Red Wings 2-0
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