Arizona Monster 300

Event overview

The Arizona Monster 300 is a point-to-point ultramarathon held in Patagonia, Arizona, across the Sonoran Desert. The course covers about 304 miles and is routed through backcountry terrain and high-elevation mountain ranges. The region has subtropical winter warmth and two seasonal rain periods, producing varied desert flora and wildlife. The event takes place on National Forest lands and is scheduled for March 27 to April 3, 2026.

Course and race logistics

• Miles: 304.3 point-to-point
• Elevation gain: 41,162'
• Elevation loss: approximately 41,463'
• Terrain breakdown: 259.1 miles single-track; 34 miles bike path; 9.5 miles paved road; 6 miles dirt road
• Aid stations: 19 aid stations
• Cutoff: 170-hour cutoff (7 days and 2 hours)

The race provides live runner tracking, drop-bag transport to many aid stations, aid stations and sleep stations along the course, variety of food and drinks, and an on-site medical team. Services for participants include bus transport to the start for those parking at the finish. Participant items and awards mentioned for the event include a race duffel, a race shirt, handmade finisher buckles, a custom print, and a finisher mug. The event lists charitable beneficiaries including the Arizona Trail Association, the Patagonia Youth Enrichment Center, and a local food bank. Visit the organization's website for the most recent information.