Muraoka, Hyogo Pref., Japan · Sunday, September 27, 2026

Fixed Distance 50 mi

Muraoka 88 km Ultra Marathon

24 days to go

88 km Distance

800 m Climbing

5.6 Grit · Challenging

35.4706° N, 134.5983° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 9 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 14 hours 9:33 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 80% of 50 mi races. Measured against 445 races of the same distance. Cut-off calculator →

Field size ~218 Large. Rarely out of sight of another runner.

DUV results for the 2025 edition (88km) — 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 19°C

Rainfall Wet — expect rain

Daylight 12 h 01 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 242 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

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

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 88 km of trail with 800 m of ascent.

Trail Running Shoes 88 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 88 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 88 km, without the bounce.
Headlamps A 14 h limit puts you out there after dark.
GPS Watches Battery life first — a 88 km day outlasts most full-GPS modes.