Mogollon Monster
Pine, United States • 6-7 Sep 2025
The Mogollon Monster 100 is a challenging trail ultramarathon held near Pine, Arizona, along the scenic Mogollon Rim. The 100-mile race features rugged, technical terrain with six major climbs, totaling approximately 18,000 feet of elevation gain between 5,000 and 8,000 feet. Runners experience diverse ecosystems, from high Sonoran Desert to vast Ponderosa Pine forests.
The course includes iconic trails like the Highline, Donahue, and Myrtle Trails. A 42K race also takes place, sharing parts of the rim climbs and offering stunning vistas. The event demands prior ultramarathon experience and includes a volunteer service requirement.
It serves as a qualifier for the Hardrock 100. Visit the organization's website for the most recent information.