Mogollon Monster

Pine, United States • 12-13 Sep 2026

Mogollon Monster 100 : Pine, Arizona

The Mogollon Monster is a weekend trail event near Pine, Arizona, on the Mogollon Rim. It features an ultramarathon and a shorter trail race that use single track, forest roads, and rim-top trails. The course runs mostly along the Mogollon Rim with elevations between about 5,200 and 8,000 feet. Weather in mid-September can include large temperature swings and possible afternoon thunderstorms.

Course, services and rules

The main event is a point-to-point mountain ultramarathon with substantial climbing and rugged, technical sections such as the Highline, Donahue, and Myrtle trails. Aid stations, drop bags, crew zones, and limited parking are located at specified points on course. Crewing is restricted to designated crew zones; some aid stations have no crew access. The 100 mile race requires a qualifying prior finish of at least a 50 mile race and an 8-hour pre-race volunteer service requirement. The shorter race has no crew or pacer support. Medical and radio check-in systems are used and live race tracking is provided.

Distances

  • 100 Mile - point-to-point, about 102.3 miles, approximately 15,900 feet total gain
  • 42K - 26.7 miles, approximately 4,554 feet total gain

Key facts: time limits apply for each distance, shuttles serve the start and finish parking areas, and runners should prepare for technical terrain and variable weather. Visit the organization's website for the most recent information.

Race information

102 mi
15900 m+
100 Mile
27 mi
4554 m+
Visit the organization's website for the most recent information.
Trail runs nearby

Join the 36th annual Zane Grey Highline Trail Runs in Christopher Creek on April 18, 2026. Choose the 50 Mile or 50K trail ultras across singletrack with stream crossings and sweeping Mogollon Rim views from Mountain Meadows Ranch.