Ultra Running Hub Wilburton, OK, United States · Saturday, March 13, 2027
Fixed Distance 100K
OK Hundred
126 days away
100 km Distance
not publishedn/a Climbing
5.0 est Grit · Challenging
Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.
Typical conditions, March
Daytime high 17°C
Night low 5°C
Rainfall Showers likely
Daylight 11 h 50 m of light
Regional 2001-2025 average for March — NASA POWER, grid elevation 229 m. Not a forecast.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 100 km of trail.
- Trail Running Shoes100 km of trail — cushioning that is still there in the last quarter.
- Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsFlask capacity for 100 km, without the bounce.
- Headlamps100 km almost certainly means running into the night.
- AccessoriesChafe and blisters end more 100 km races than fitness does.
Course Notes
in the hills of Eastern Oklahoma. The event follows a 20.4-mile loop beginning and ending in Robbers Cave State Park in Wilburton, OK.
Similar races
Other 100K trail ultras, closest in distance first.