Babbitts Backyard Ultra

Flagstaff, United States • 27 Sep 2025

Babbitts Backyard Ultra is an 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 unique format where all surviving runners are tied for the lead each hour. Competitors must adhere to specific rules, including no late starts and no personal aid during loops. The event promotes health and safety measures, and proceeds support local businesses and non-profits. 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.
Trail runs nearby

The VUE, or Vortex Ultra Experience, is a trail running event set in the stunning red rocks of Sedona, Arizona, scheduled for April 19, 2025. Participants can choose from five race distances: 50 miles, 34 miles, 21 miles, 12 miles, and 4 miles, catering to runners of all levels. The event highlights..

The Taco 'Bout Fun Run is an exciting annual event taking place in Flagstaff, Arizona, featuring a variety of races including a 10K, 5K, a 1 Mile Stroll, and a Children's Churro Chase. Set against the scenic backdrop of Buffalo Park, participants can enjoy professionally chip-timed trail races throu..

The Red Rock Rumble is an exciting running event taking place in Sedona, Arizona, on May 24, 2025. Participants will enjoy a scenic 5-mile race through the stunning trails of Red Rock State Park, starting near Oak Creek and featuring breathtaking views of iconic landmarks like Cathedral Rock. The ev..

The Flagstaff Doggie Dash & BuffaLoops Ultra, taking place on May 25, 2025, at Buffalo Park in Flagstaff, AZ, features a variety of running events for participants of all ages and abilities. Runners can choose to participate in a 5k with their dogs or take on fixed-time races of 3, 6, or 12 hours, c..

The Blackout Night Runs, hosted by Aravaipa Running, is an exciting night race taking place at Fort Tuthill County Park in Flagstaff, AZ. Scheduled for June 20, 2025, this event features three race distances: 27K, 13K, and 6K, allowing participants of various skill levels to enjoy the scenic trails..

The Flagstaff Extreme Big Pine event, taking place at Fort Tuthill County Park, features a variety of trail running distances including 53K, 27K, 13K, and 6K. This annual race offers participants a scenic experience through ponderosa pines at elevations above 7,000 feet, with trails that range from..