Arizona Monster 300

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 offers swag, finisher awards, and a catered celebration, while supporting local community organizations. Visit the organization's website for the most recent information.