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Babbitts Backyard Ultra

Name: Babbitts Backyard Ultra
Start: 2025-09-27
End: 2025-09-27
Location: Flagstaff

Flagstaff, United States • 27 Sep 2025

Babbitts Backyard Ultra is a unique endurance running event held at SP Crater in Flagstaff, AZ. Participants must complete a 4.167-mile loop every hour, with the challenge continuing until only one runner remains who can finish the loop within the time limit. The event emphasizes testing personal limits and offers a level playing field for all competitors.

Runners must adhere to specific rules, including no late starts and no personal aid during loops. The event promotes health and safety with wide trails and sanitation measures. Proceeds from the event support local businesses and non-profits. Visit the organization's website for the most recent information.

United States Arizona Flagstaff

Race information

Registration Facebook

4 mi

150 m+

4.167 Miles

Visit the organization's website for the most recent information.

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