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June 27, 2026

Grassroots Backyard Ultra

Okotoks, AB

About This Race

Held in the scenic town of Okotoks, Alberta, the Grassroots Backyard Ultra challenges participants to conquer a 6.71 km loop along the Sheep River every hour until only one runner remains. This 'flat and fast' course is a premier destination for athletes seeking personal distance milestones, characterized by a high-energy community atmosphere where more than half of the field typically surpasses the 100 km mark.

What Makes It Unique

  • Scenic Hybrid Course: The route uniquely blends high-speed asphalt public pathways with technical single-track dirt trails and a modest 34-meter elevation gain per lap.
  • Milestone-Specific Categories: Beyond the standard 'Last Person Standing' format, the race includes dedicated 'Backyard15' and 'Backyard24' timed events specifically designed to guide runners toward the 100 km and 100-mile distance markers.
  • Open-Course Dynamic: The race is conducted on active public pathways along the Sheep River, requiring competitors to navigate a live environment that adds a unique layer of real-world unpredictability to the endurance challenge.