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Built on bad decisions in Boulder, CO.

Mogollon Monster 42K

Basic Listing
  1. Aravaipa Running
  2. 2026 Edition

A rim-climbing 26-miler through Pine, AZ's most dramatic terrain

Directions
DeadlineSeptember 07, 2026
Register

Nearby races

Other trail races within 194 miles

Mogollon Monster 100 Mile
Qualifier Req
Service Req

Mogollon Monster 100 Mile

100 Mile
Pine, AZ, US
Sep 12, 2026
102.28 miles
15,900 ft gain
Point to Point
Crew
Pacers
Dropbags
Black Canyon Ultras 100K

Black Canyon Ultras 100K

100K
Spring Valley, AZ, US
Feb 13, 2027
62.86 miles
4,670 ft gain
Point to Point
Crew
Pacers
Dropbags
40 mi away
Cocodona 250

Cocodona 250

250 Mile
Black Canyon City, AZ, US
May 4, 2026
252.9 miles
38,790 ft gain
Point to Point
Crew
Pacers
Dropbags
46 mi away
Javelina Jundred 100 Mile

Javelina Jundred 100 Mile

100 Mile
Fountain Hills, AZ, US
Oct 31, 2026
100 miles
6,300 ft gain
Multiple Loops
Crew
Pacers
Dropbags
52 mi away
Utah 115 Mile

Utah 115 Mile

100 Mile
Kanab, UT, US
May 15, 2026
115 miles
11,570 ft gain
Out and Back
Crew
Pacers
Dropbags
194 mi away
All trail races in Arizona→
September 13, 2026
Sunday 7:00am MST start
Pine, AZ
United States
26.1 miles
Point to Point Course
4,560 ft
Elevation Gain
53°F – 81°FTemp Range
23% – 25%Cloud Cover
0% (0.06 in)Precipitation
9 mph – 10 mphWind Speed
45% – 49%Humidity
6:07 AMSunrise
6:36 PMSunset
Open Registration
No lottery
No Service Requirement
Does not require trail or volunteer work
No Qualifier
No qualifier race required
Challenging
Some ultra experience recommended
Links
WebsiteInstagramFacebookYouTube
2008
Established

What Makes It Great

A 42-kilometer single-day race on the Mogollon Rim launched a day after the 100 Mile, starting from Pine Trailhead and finishing in downtown Pine. The 42K climbs the Rim twice via the Donahue and Turkey Springs trails, traversing rocky singletrack through Ponderosa pines and exposed ridgeline before descending 1,800 feet back to Pine. The final 2 miles share the course with the 100 Mile runners who are 85+ miles into their journey. No crew or pacer support.

Difficulty

Intermediate
6/10

Some ultra experience recommended

Technical Terrain
Steep Climbing
Technical Descent
Sun Exposure
Variable Weather

Race Highlights

Two full rim climbs
The 42K packs two complete Mogollon Rim ascents into 26 miles of technical singletrack
Shared course with century runners
The last 10 miles run alongside 100 Mile runners who are 85+ miles in — a vivid reminder of the ultra distance
Downtown Pine finish
Race finishes at the Pine Community Center in the heart of downtown Pine, steps from local restaurants and an ice cream shop

Mogollon Monster 42K

Pine, AZ, United StatesSeptember 13, 2026

September 13, 2026
Course map for Mogollon Monster 42K
DistDistance26.1 mi
GainElevation Gain4,560 ft
Steep ClimbingTechnical DescentSun ExposureVariable Weather

Entry Timeline

Registration DeadlineSeptember 07, 2026
Race DaySeptember 13, 2026

Lottery

This event uses open registration - no lottery entry required.

Qualifier

This event does not require a qualifier for entry.

Service Requirement

This race does not have a service requirement for entry.
26.1 mi
Distance
Point to Point
Route
6,273 ft
Average Elevation
4,560 ft
Total Ascent
4,560 ft
Total Descent
7,444 ft
High Point
5,325 ft
Low Point
Course map
Launch Course Explorer

Aid Stations

LocationMileElevation
Start
Start
0.05,387 ft
Donahue
Aid Station
5.07,234 ft
Pine Canyon
Aid Station
13.87,257 ft
Pine Trailhead (Water only)
Aid Station
24.55,384 ft
Finish
Finish
26.15,394 ft

Sign in to see cutoffs, crew access, drop bags, and services for every aid station.

On-Site Camping Available

Dispersed camping available at the Old Pine Parking Lot, approximately 2 miles south of Pine. Tree-lined edges suitable for tent camping. Vehicles can remain all weekend. Shuttles to the start also depart from this lot.

Crew Access Points

Pacer Rules

No Pacers Allowed

Crew Rules

No Crew Allowed
Daylight
12h 29m
6:07 AM6:36 PM
81°F / 61°F
Feels like 79°F / 58°F
Temperature Hi/Lo
0% (0.04 in)
Precipitation
9 mph
Wind
45%
Humidity
23%
Cloud Cover
Based on historical averages for September 13

Gear Rules

Required Gear

No required gear specified

Recommended Gear

No recommended gear specified

Videos from other Mogollon Monster 100 events

New Hardest Thing (Short Film) | A Mogollon Monster 100 Story
New Hardest Thing (Short Film) | A Mogollon Monster 100 Story
Mogollon Monster 100 Mile
Aravaipa Running•2024

Race reports from other Mogollon Monster 100 events

Mogollon Monster 100 Race RecapMogollon Monster 100 Mile
By travlingmountains • 2024
Mogollon Monster 100 Race ReportMogollon Monster 100 Mile
By Trail Running 100 • 2021

Reviews

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Register•September 13, 2026