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Fat Ox

Buckeye, United States • 21-23 Nov 2025

The Fat Ox Endurance Runs, hosted by Aravaipa Running, is a premier multi-day running event taking place at Estrella Mountain Regional Park in Goodyear, AZ. Scheduled for November 21-23, 2025, this event features various race formats including 48-hour, 24-hour, 12-hour, and 6-hour runs, along with distances of 100 miles, 100K, 50 miles, and 50K. The course is a certified 0.988178-mile loop, ideal for both seasoned ultra-runners and newcomers. The event also serves as the USATF 24-Hour Championship, offering a prize purse for top finishers. Participants can enjoy a supportive atmosphere with well-stocked aid stations and opportunities for camping. Visit the organization's website for the most recent information.

United States Arizona Buckeye

Race information

Website Registration
48 hr
48hrs
24 hr
24hrs
100 mi
100 Mile
12 hr
12hrs
100 km
100k
50 mi
50 Miler
6 hr
6hrs
50 km
50k
Visit the organization's website for the most recent information.
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