The Wolfpack Ultra Championship is a fall ultra-running event scheduled for September 20, 2025, in Hamilton, Ontario. It offers a challenging 50K Ultra race and a 50K Relay (5 x 10K) team event, designed to make ultra-running accessible and enjoyable while showcasing Ontario’s beautiful backcountry trails.

Proceeds from the event support STAC Hamilton youth programs, promoting community and encouraging trail running among all levels.

- Rugged trails with technical climbs
- Scenic views of Ontario’s backcountry
- Cupless race: participants must bring their own hydration containers
- Aid stations stocked with Xact Nutrition, fresh fruit, gummy bears, and hydration

- 50K Ultra and 50K Relay (5 x 10K) team events
- Support for STAC Hamilton youth programs
- Trail running on Ontario’s backcountry
- Aid stations stocked with Xact Nutrition, fresh fruit, gummy bears, and hydration
- Cupless race, bring your own hydration containers