The Wild Rose Women's Sub Ultra is a 17km women-only trail race held at Nose Hill Park in Calgary, Alberta. The event is scheduled for Sunday, September 21, 2025, and features a single-lap course starting from the Shaganappi Trail/Edgemont Blvd NW parking lot. The race runs concurrently with the Stoked Oats Sub-Ultra but has its own start time, bibs, and medals. Package pick-up is available on Saturday afternoon and Sunday morning. The event emphasizes community, fun, and a supportive environment for women trail runners.

- 17km route is a single lap at Nose Hill Park.
- Start: Shaganappi Trail/Edgemont Blvd NW parking lot.
- Aid stations and porta-potty locations to be announced.
- Aid stations provide Naak Energy Bars, chips, gummies, and water.
- Course closes at 12:00 PM for all distances on race day.

- Women-only 17km trail race at Nose Hill Park, Calgary.
- Runs concurrently with the Stoked Oats Sub-Ultra but with separate start time, bibs, and medals.
- Package pick-up available Saturday (12:00–2:00 PM) and Sunday morning (6:45–7:15 AM).
- Awards ceremonies for 6.5km and 17km races at 10:00 AM on race day.
- Course closes at 12:00 PM for all distances.
- Opportunity to purchase exclusive event merchandise.