Fat Ox

The Hotfoot Hamster is an endurance running event taking place at the historic Nardini Manor in Buckeye, Arizona. Participants can choose to run for 6, 12, or 24 hours on a flat, fast, and USATF certified 500-meter gravel track. This event is designed for both seasoned ultra runners and those attemp..

The Hypnosis Night Runs is an exciting trail running event taking place at Estrella Mountain Regional Park, part of the 2025 Insomniac Night Trail Run Series. Participants can choose from various distances, including 6K, 15K, 22K, 36K, and 52K, all set against the stunning backdrop of the desert und..

The Vertigo Night Runs, hosted by Aravaipa Running, take place at White Tank Mountain Regional Park in Waddell, AZ. This event features a variety of distances, including 6K, 10K, 20K, 31K, and 52K, catering to both novice and experienced trail runners. As part of the Insomniac Night Trail Run Series..

The Jackrabbit Jubilee is a unique running event taking place at Nardini Manor in Buckeye, Arizona. This fixed-time night race offers participants the choice of competing in either a 12-hour or 6-hour format on a USATF certified 500-meter loop course. The flat, crushed gravel path is designed for a..

The XTERRA Estrella Mountain Trail Run, taking place on December 14, 2025, in Goodyear, AZ, is part of the XTERRA Trail Run World Series. This exciting event offers a range of trail races, including 24K, 12K, and 5K distances, catering to both beginners and experienced runners. Participants will exp..

Across the Years is a unique multi-day running event held at Peoria Sports Complex, Arizona, from December 28 to January 3. Celebrating the New Year, this festival features various race formats, including a traditional 6-day race, 72-hour, 48-hour, 24-hour, and shorter fixed-distance events like mar..