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Mad Backyard Ultra

East Ridge, United States • 17 Jan 2026

Mad Backyard Ultra is held at Camp Jordan Park in Chattanooga, Tennessee. The race features a 4.167-mile loop run hourly, with a strict one-hour limit for each lap. Runners must start each hour in the start/finish corral; if a loop isn’t completed in time, they are out.

The event ends when only one competitor remains, with the last runner awarded the win and all others DNF. The flat, non-technical course blends track, gravel, and grass. Promoted as a grueling test of mental and physical endurance, it serves as a qualifier for The Big Dog’s Backyard Ultra.

A recent feature, the Ribbon of Resilience, visually tracks progress as runners tap out. Visit the organization's website for the most recent information.

United States Tennessee East Ridge

Race information

Registration Facebook
4 mi
4.1667-Mile Loop
Visit the organization's website for the most recent information.
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