Babbitts Backyard Ultra

Flagstaff, United States • 27 Sep 2025

Babbitts Backyard Ultra is a unique endurance running event held near the iconic SP Crater in Flagstaff, Arizona. Participants run a 4.167-mile loop every hour on the hour, combining dirt trails and roads with about 150 feet of elevation gain, offering stunning views of the crater and surrounding peaks. The race continues until only one runner remains able to complete a loop within the hour, making it a true test of endurance and mental strength. The event emphasizes fairness, with strict rules on start times, aid, and course conduct. It fosters a supportive atmosphere with social distancing and local community support. Visit the organization's website for the most recent information.

Race information

4 mi
150 m+
4.167 Miles
Visit the organization's website for the most recent information.
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