Goodyear, AZ, United States · Friday, November 20, 2026

Fixed Distance 100 mi

Fat Ox 100 Mile Run

65 days away

161 km Distance

not publishedn/a Climbing

8.1 est Grit · Hardcore

Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.

33.4353° N, 112.3582° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~21 Small. Long stretches with nobody in sight.

DUV results for the 2025 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, November

Daytime high 24°C

Night low 10°C

Rainfall Dry — rain unlikely

Daylight 10 h 20 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 398 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning 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 161 km of trail.

Trail Running Shoes161 km of trail — cushioning that is still there in the last quarter.
Race NutritionPast 161 km the palate quits before the legs do — carry more than one flavour.
Hydration VestsFlask capacity for 161 km, without the bounce.
Headlamps161 km almost certainly means running into the night.
AccessoriesChafe and blisters end more 161 km races than fitness does.

Adidas