Mogollon Monster

Mogollon Monster 100 : September 12-13, 2026

The Mogollon Monster takes place near Pine, Arizona on the Mogollon Rim. The event includes these distances:

• 100 Mile
• 42K (approximately 26.7 miles)

The 100 mile course is a point-to-point route that covers roughly 102 miles with about 15,900 feet of total elevation gain and a maximum elevation near 7,900 feet. The route climbs the Rim in multiple separate locations and runs long sections on top of the Rim and along the Rim edge. The 42K follows sections of the same trails and finishes in the town of Pine.

Course details, entry and logistics

Terrain includes steep climbs and descents, technical singletrack sections such as the Highline, Donahue and Myrtle trails, and exposed forest-road sections. Elevation along the courses stays generally between about 5,200 and 8,000 feet. The 100 mile race has a time limit of 38 hours; the 42K has a time limit of 12 hours. Entry requirements for the 100 mile distance include completion of at least a 50 mile race and an 8 hour volunteer service requirement or an alternative donation option. Crews and pacers are allowed for the 100 mile race only at designated crew zones; the 42K does not allow crew or pacers. The race uses shuttle service from a large parking area near Pine to the 100 mile start and provides a small set of drop bag locations on course. Race entries are non-refundable. Visit the organization's website for the most recent information.