Logo

Fat Ox

Buckeye, United States • 21-23 Nov 2025

The Fat Ox Endurance Runs, held at Estrella Mountain Regional Park in Goodyear, Arizona, is a premier ultra running event featuring multiple race distances including 48-hour, 24-hour, 12-hour, 6-hour, 100-mile, 100K, 50-mile, and 50K races. The event takes place on a USATF-certified 0.988-mile concrete loop around the park's turf area, offering a scenic backdrop of the Estrella Mountain Range. Known for its festive atmosphere, the race includes a fully stocked aid station, live tracking, and camping options nearby. The 2025 edition will host the USATF 24-Hour National Championship, attracting elite competitors with prize money and awards. The course requires headlamps for night running, and crew support is welcomed. 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.
Trail runs nearby

Aravaipa Running - Vertigo Night Runs

Waddell - 16 mi from Buckeye

...

The Vertigo Night Runs, hosted by Aravaipa Running, take place at White Tank Mountain Regional Park in Waddell, Arizona. This nighttime trail running event offers multiple distances: 6K, 10K, 20K, 31K, and a challenging 52K ultra. The courses run on the 6.5-mile Sonoran Competitive track loop, featu..

Jackrabbit Jubilee

Buckeye

The Jackrabbit Jubilee is a fixed-time ultra running event held at the historic Nardini Manor in Buckeye, Arizona. Participants can choose between 6-hour and 12-hour races on a flat, fast, 500-meter USATF-certified crushed gravel loop that winds around the century-old estate's grounds. The night rac..

Trail Blazer 10k

Peoria - 25 mi from Buckeye

The Trail Blazer 10K - 5K is an annual trail running event hosted by StartLine Racing at Paloma Community Park in Peoria, Arizona. Set amidst the scenic trails of Peoria's newest community park, runners can enjoy the natural beauty and local wildlife along the course. The event offers both 10K and 5..

Across the Years

Peoria - 25 mi from Buckeye

...

Across The Years is a unique multi-day running festival held annually at the Peoria Sports Complex in Peoria, Arizona. Celebrated from late December through early January, this event features a variety of fixed-time races including 6-day, 72-hour, 48-hour, 24-hour, 12-hour, and 6-hour challenges, as..

Coldwater Rumble

Goodyear - 13 mi from Buckeye

...

The Coldwater Rumble is a challenging trail running event held at Estrella Mountain Regional Park in Goodyear, Arizona, featuring distances from 5 miles up to 100 miles. The course winds through desert trails at the foothills of the rugged Sierra Estrella mountain range, offering scenic views and va..

Arizona Rocks Half Marathon Trail Run

Peoria - 25 mi from Buckeye

The Arizona Rocks! Half Marathon, 10K, and 5K Trail Run is an annual event hosted by StartLine Racing at Paloma Community Park in Peoria, Arizona. This trail running event offers distances of half marathon, 10K, and 5K, catering to both seasoned trail runners and newcomers. Participants experience s..