Babbitts Backyard Ultra
Flagstaff, United States • 27 Sep 2025
Babbitts Backyard Ultra is an endurance running event held at SP Crater in Flagstaff, AZ, where participants compete in a unique "last person standing" format. Runners must complete a 4.167-mile loop every hour, with a total elevation gain of approximately 150 feet. The race continues until only one runner remains who can complete the loop within the time limit. The event emphasizes testing personal limits and offers a level playing field for all competitors. Health and safety measures are in place, and proceeds from the event support local businesses and non-profits. Visit the organization's website for the most recent information.