United States
Nov
21-23
Fr - Su
Fat Ox
The Fat Ox Endurance Runs, taking place from November 21-23, 2025, at Estrella Mountain Regional Park in Goodyear, AZ, offers a variety of ultra-distance events including 48-hour, 24-hour, 12-hour, and 6-hour races, along with 100-mile, 100K, 50-mile, and 50K options. This event is designed for runners of all levels, featuring a certified 0.988-mile loop course that allows participants to push their limits in a supportive environment. The event will also host the USATF 24-Hour Championship, with prize money awarded to top finishers.
Participants can enjoy well-stocked aid stations and the opportunity to camp nearby. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
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
