Arizona Monster 300
Patagonia, United States • 27-3 Mar-Apr 2026
Event
The Arizona Monster 300 is a 304-mile point-to-point ultramarathon through Southern Arizona, based in Patagonia, AZ. The 2026 running is scheduled for March 27 to April 3, 2026. The event is organized by the Destination Trail team and takes place on National Forest lands.
Course and support
The course lists 304.3 miles with 41,162 ft of elevation gain. Terrain breakdown: 259.1 miles (84%) single-track, 34 miles (10%) bike path, 9.5 miles (3%) paved road, and 6 miles (2%) dirt road. There are 19 aid stations and a 170-hour cutoff. The race offers live runner tracking, drop-bag transport to many aid stations, aid stations with food and drink, sleep stations, on-site medical support, and bus transport to the start for those who prefer to park at the finish. Planned finisher items include a duffel bag, race shirt, and awards. The event notes donations from the race benefit local organizations including the Arizona Trail Association, Patagonia Youth Enrichment Center, and a local food bank. Visit the organization's website for the most recent information.