Sole Survivor Backyard Ultra - Richland, WA

Richland, United States • 5 Sep 2025

The Sole Survivor Backyard Ultra in Richland, Washington, is a unique endurance trail running event inspired by Big's Backyard Ultra. Held at 1200 Carrier Rd., runners complete a 4.16-mile loop every hour on the hour, continuing until only one runner remains. The course features a mix of trail and a short pavement section to ensure exact distance and single-file running.

Participants have breaks between loops for rest, eating, or napping but must start each loop on time. The event includes an aid station with typical fare and a communal BBQ. Runners reaching 100 miles receive a custom belt buckle.

The race may extend overnight, testing toughness over speed. Visit the organization's website for the most recent information.

Race information

4 mi
4.16 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

The Jump Off Joe Marathon, held near Kennewick, Washington, offers marathon, half marathon, and 10k distances. Now in its 10th year, this low-key, affordable event takes place on gravel roads around Jump Off Joe Mountain, providing a trail-like running experience rather than a typical flat road race..

The Chamna Chase is a scenic running event held in the Chamna Natural Preserve in Richland, Washington. It offers three race distances: a half marathon, 10K, and 6K, catering to various levels of runners. The half marathon features a double out-and-back route with a loop, while the 10K follows part..

Climb 89 is an Everesting Run Challenge held at Badger Mountain Westgate Trailhead in Richland, Washington. The event features a 0.35-mile one-way course with an 89-meter (292 feet) elevation gain per lap. Participants aim to complete multiple laps to match the elevation of famous peaks, with 100 la..