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Arizona Monster 300

Superior, United States • 27-3 Mar-Apr 2026

The Arizona Monster 300 is a challenging 304-mile point-to-point ultramarathon through Southern Arizona's Sonoran Desert, known for its unique subtropical winter warmth and diverse flora and fauna. The rugged course features 41,162 feet of elevation gain and 41,463 feet of loss, with 84% single-track trails, bike paths, paved, and dirt roads. The race includes 19 aid stations and sleep stations, supported by live runner tracking, drop bag transport, and an on-site medical team. Participants experience iconic desert backcountry and high-elevation mountains over a 170-hour cutoff period. The event also supports local community organizations and offers finisher awards and a post-race celebration. Visit the organization's website for the most recent information.

United States Arizona Superior

Race information

Website Registration
304 mi
41162 m+
Arizona Monster 300 - 304.3 Miles
Visit the organization's website for the most recent information.
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