Arizona Monster 300

The Arizona Monster 300 is an extreme 308.6-mile point-to-point trail race set in the stunning Sonoran Desert of Southern Arizona. This challenging event features a diverse terrain, including 84% single-track trails, and offers participants a chance to experience the region's unique flora and fauna. With a total elevation gain of 41,162 feet and 19 aid stations along the route, runners have a 170-hour cutoff to complete the race.

The event is organized by Destination Trail, known for hosting iconic ultra races. Registration for the 2026 event opens on April 5, 2025. Visit the organization's website for the most recent information.