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.

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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