Payson, AZ, Arizona, United States · Saturday, September 11, 2027

100 mi

Mogollon Monster 100

308 days away
162 km Distance
4,846 m Climbing
10.0 Grit · Elite / extreme
34.2309° N, 111.3251° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 30 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 38 hours 14:04 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 67% of 100 mi races. Measured against 46 races of the same distance. Cut-off calculator →
Field size ~141 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 31°C
Night low 15°C
Rainfall Mostly dry
Daylight 12 h 35 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 1349 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With mountain terrain, choose a shoe with aggressive lugs (5mm+) for optimal performance.

By UltraHub Expert
🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 162 km of mountain with 4,846 m of ascent.

  • Trail Running Shoes30 m of climb per kilometre — grip and rock protection before cushioning.
  • Race NutritionPast 162 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsPole attachment and chest-strap stability on steep ground.
  • Trekking Poles4,846 m of ascent to walk up.
  • HeadlampsA 38 h limit puts you out there after dark.
All gear guides →

About

A tough mountain 100-miler through Arizona's Mogollon Rim country.

Highlights

  • Arizona backcountry
  • Rim country terrain
  • Challenging course

Course Notes

The race navigates its way up, down, around and through the beautiful Mogollon Rim, 90 minutes northeast of Phoenix, Arizona.

Similar races

Other 100 mi mountain ultras, closest in distance first.