Moscow, ID, United States · Sunday, October 4, 2026
Fixed Distance 50K
Moscow Mountain Madness 50K
31 days away
50 km Distance
1,680 m Climbing
5.0 Grit · Challenging
What the course asks
Climbing rate 34 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 8.5 hours
10:12 min/km average. Generous. Walkable throughout for most of the field. Tighter than 77% of 50K races. Measured against 982 races of the same distance. Cut-off calculator →
Field size ~31 Small. Long stretches with nobody in sight.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Daytime high 15°C
Night low 4°C
Rainfall Mostly dry
Daylight 11 h 35 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 698 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 1,680 m of ascent.
- Trail Running Shoes 34 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 1,680 m of ascent to walk up.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Challenging run along the spine of scenic Moscow Mountain. All courses are mostly technical single-track, but we’ve included some fast logging roads.
Similar races
Other 50K trail ultras, closest in distance first.