Arizona Monster 300
Patagonia, United States • 29-4 Mar-Apr 2027
Arizona Monster 300
The Arizona Monster 300 is a 300.5 mile point to point ultramarathon through Southern Arizona's Sonoran Desert, running from Patagonia, AZ to Superior, AZ. The route crosses National Forest lands and traverses a variety of backcountry landscapes, including high elevation mountains and desert terrain shaped by two seasons of rainfall and subtropical winter warmth.
Course statistics include an elevation gain of 41,162' and an elevation loss of 42,463'. The route surface is predominantly single-track, with 259.1 miles or about 84% single-track, roughly 34 miles on bike path, 9.5 miles on paved road, and 6 miles on dirt road. There are 19 aid stations along the course and an overall cutoff time of 150 hours.
The event's description notes rugged terrain and notable contrasts in moisture and aridity that support diverse plant and animal life in the Sonoran Desert. A payment plan option is available through UltraSignup at registration. The race is presented as a lengthy, backcountry point to point route with substantial elevation change and mostly single-track trail. Visit the organization's website for the most recent information.