Mariah Coulombe (Victoria, BC) run at the 2015 BC Tim Hortons Junior Womens Championship came to an end in the semifinals with a 7-2 loss to Corryn Brown (Kamloops, BC). of the 2015 BC Tim Hortons Junior Womens Championship in Parksville, British Columbia;
 
Coulombe finished 5-2 in the 0-team qualifying round. . In their opening game, Coulombe lost 9-3 to Brown, then responded with a 7-4 win over Briana Egan (Coquitlam, BC). Coulombe won 11-9 against Kirsten Zuccheret (Chilliwack, BC). Coulombe went on to lose 11-2 against Sarah Daniels (Delta, BC). Coulombe responded with a 7-6 win over Alyssa Connell (Prince George, BC). Coulombe won 5-4 against Cierra Fisher (Vernon, BC), then won 7-5 against Shawna Jensen (Powell River, BC) in their final qualifying round match.
 
. For week of the event schedule, Coulombe did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Coulombe ranks th overall on the Year-to-Date rankings with points earned so far this season.