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Tartarus Backyard Ultra

Spokane, United States • 6-7 Sep 2025

The Tartarus Backyard Ultra is a unique running and rucking event held at Camp 7 in Riverside State Park, Spokane, WA. Following the last person standing format, participants must complete a loop every hour, with runners covering 4.1667 miles and ruckers 2.2 miles. The race continues until only one runner and one rucker remain, who must then complete a final loop to claim victory. The event encourages fundraising, allowing participants to waive registration fees by raising funds for a cause. With provisions for support and camping, the Tartarus Backyard Ultra promises a challenging and community-focused experience for all. Visit the organization's website for the most recent information.

United States Washington Spokane

Race information

Website Registration
4 mi
4.1667 Mile Laps
2.2 Mile Laps
Visit the organization's website for the most recent information.
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