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 hosts the USATF 24-Hour Championship on a USATF-certified 0.988178-mile loop course that circles the park's turf area with scenic views of the Estrella Mountain Range. The course is a paved sidewalk loop with aid stations stocked 24 hours, and runners must bring their own lighting for night running. The event offers a festive atmosphere with camping options, crew support areas, and awards including prize money for championship competitors. 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

Run to the Top

Waddell - 16 mi from Buckeye

The 4 on the 4th Run to the Top is an annual 4-mile race held at White Tank Regional Park in Waddell, Arizona. This challenging run starts at the park entrance and ascends to the top of the park, offering participants scenic mountain views and varied terrain. The event promotes environmental respons..

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 to run for 6 or 12 hours on a flat, fast, 500-meter USATF-certified crushed gravel loop that winds around the century-old estate's grounds. The night race featur..

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 fixed-time running event held annually at the Peoria Sports Complex in Peoria, Arizona. Spanning six days from December 28 to January 3, it offers a variety of race options including 6-day, 72-hour, 48-hour, 24-hour, 12-hour, and 6-hour fixed-time races, as wel..

Coldwater Rumble

Goodyear - 13 mi from Buckeye

...

The Coldwater Rumble is a premier trail running event held at Estrella Mountain Regional Park in Goodyear, Arizona. It offers multiple distances including 100 miles, 100K, 60K, 40K, 10 miles, and 5 miles, winding through desert trails at the foothills of the rugged Sierra Estrella mountain range. Th..