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Sole Survivor Backyard Ultra - Richland, WA

Richland, United States • 5 Sep 2025

The Sole Survivor Backyard Ultra, taking place in Richland, WA, is a unique endurance running event inspired by the "Big's Backyard Ultra." Participants run a 4.16-mile loop every hour until only one runner remains. This challenging format emphasizes mental toughness over speed, as competitors must complete each loop within the hour. Those who finish 100 miles or more will receive a custom belt buckle. The event features an aid station, BBQ meals, and encourages camaraderie among runners. The last person standing determines the race's length, making it a test of endurance and resilience. Visit the organization's website for the most recent information.

United States Washington Richland

Race information

Website Registration
4 mi
4.16 Miles
Visit the organization's website for the most recent information.
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