Arizona Monster 300
Patagonia, United States • 27-3 Mar-Apr 2026
Event overview
The Arizona Monster 300 is a point-to-point ultramarathon through Southern Arizona’s Sonoran Desert, based in Patagonia, Arizona. The course covers 304.3 miles on National Forest lands and includes a 170-hour time limit (7 days and 2 hours). The race is organized by the Destination Trail team and is scheduled for March 27 to April 3, 2026. The route crosses backcountry terrain and high-elevation mountain ranges within the Sonoran Desert ecosystem.
Course details and services
Course statistics include approximately 41,162' of elevation gain and 41,463' of elevation loss, with 19 aid stations along the route. Terrain breakdown is mostly single-track (about 259.1 miles, or 84%), with roughly 34 miles (10%) on bike path, 9.5 miles (3%) paved road, and 6 miles (2%) dirt road. Race services listed include live runner tracking, drop-bag transport to many aid stations, aid stations and sleep stations, on-site medical support, a variety of food and drink options, and bus transport options to the start for those parking at the finish. Participants receive event gear (for example a duffel bag and race shirt) and finisher awards such as handmade buckles, a custom print, and a finisher mug. The event makes donations to local organizations. Visit the organization's website for the most recent information.