Roslyn, WA, United States · Saturday, September 12, 2026
Fixed Distance 100 mi
Coal Miner
Race completed
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.
What the course asks
Field size ~4 Tiny. You will run alone for most of it.
DUV results for the 2025 edition (50mi) — 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 25°C
Night low 14°C
Rainfall Showers likely
Daylight 12 h 40 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 76 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 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.
Similar races
Other 100 mi trail ultras, closest in distance first.