11SEP
- Date
- Sep 11–12, 2027
- First start
- 6:00 am
- Distances
- 100 Mile · 42K
- Time limit
- 38 Hours
The Mogollon Monster 100 is a rugged, challenging trail race taking place about 90 minutes northeast of Phoenix, Arizona just outside the small town of Pine, Arizona. The Mogollon Monster includes the advanced degree endurance race of 100 miles, with the addition of a 42 Kilometer race on Sunday. The races navigate up, down, around and through the beautiful Mogollon Rim (Pronounced: mug-ee-yun or muggy-own by locals).
The Mogollon Rim rises out from the earth some 2,000 feet for a span of 200 miles across Arizona and into New Mexico, defining much of the eastern part of the state. This Rim takes the race from elevations of 5,300 feet at the start to upwards of 8,000 feet at the top of the Rim, changing ecosystems along the way in distinct flora changes as the elevation changes switch the scenery from high Sonoran Desert to the largest contiguous Ponderosa Pine forest in the world.
The race covers roughly 101 miles, climbing the Rim on six separate locations spending a lot of miles along the Rim, on top of the Rim and the challenging climbs up and down with climbs and descents at 30-45% grades at a some points. Expect to climb a total of approximately 16,000 feet along the way, never below 5,200 feet and never above 8,000 feet in elevation. While other races are certainly at higher elevations, and/or with more climbing, they certainly do not contain as rugged a terrain that is found on this course.
Good to know
September 11 100 Mile - 6:00 am
The Mogollon Rim itself poses a large obstacle for crewing this race. We have learned over the years that it does not make sense or is actually close to impossible to drive between some aid stations in time to see a runner since you must drive all the way around the rim to go up or down it. While most are easily accessible, they often require a great deal of driving to get to each. We ask that you please abide by our
As is the case with most mountain 100's, there is limited parking at all of these crew locations. It is imperative that the roadway is NEVER blocked, even remotely. We receive very strict rules and regulations with our National Forest permitting agencies and we need you to follow these rules to ensure future runners also get to have crews at these spots. They will be out on these roads on race day to ensure we are fo
You are allowed ONE (1) crew vehicle per runner. When you pick up your bib, you will be supplied with a crew pass with your bib number on it that must be present on the dash for the entire race. If we see additional crew vehicles on course for a single runner OR find that a runner is receiving aid from their crew outside the designated aid stations or crew areas we have the right to penalize and/or disqualify you.
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There are a handful of new crew instructions moving forward. Please fully read.
Pick your distance
The numbers for each course, straight from the race page. Compare them side by side below.
- Date
- Saturday, September 11, 2027
- Start Time
- 6:00 am
- Time Limit
- 38 Hours
- Max Elevation
- 7,912 feet
Compare the distances
| 100 Mile | 42K | |
|---|---|---|
| Date | Saturday, September 11, 2027 | – |
| Start Time | 6:00 am | 7:00 am |
| Time Limit | 38 Hours | – |
| Max Elevation | 7,912 feet | 7,480 feet |
| New Hardest Thing (Short Film) | – | A Mogollon Monster 100 Story |
Course & location
Mogollon Rim, Pine, AZ
Course records
- 100 Mile · Men's20:52:07Jeff Browning (2021)
- 100 Mile · Women's24:42:24Megan Eckert (2023)
- 42K · Men's04:06:49Pedro Gomes (2023)
- 42K · Women's4:30:09Natalie Nicholson (2026)
