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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 tackling a 4.1667-mile course and ruckers a 2.2-mile course. The event continues until only one runner and one rucker remain.

Participants are encouraged to fundraise for a cause, with a goal of $3,000. The event promises camaraderie and challenge, providing a memorable experience for all involved. Additional amenities include water, coffee, and portable toilets for convenience. 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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