Shinjo, Okayama Pref., Japan · Sunday, October 25, 2026

Fixed Distance 50 mi

Forestrail Shinjo-Hiruzen

52 days away

68 km Distance

3,200 m Climbing

8.2 Grit · Hardcore

35.1793° N, 133.5679° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 47 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 14 hours 12:21 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 68% of 50 mi races. Measured against 445 races of the same distance. Cut-off calculator →

Field size ~56 Small. Long stretches with nobody in sight.

DUV results for the 2024 edition (68km) — 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 19°C

Night low 10°C

Rainfall Showers likely

Daylight 11 h 00 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 396 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

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 68 km of trail with 3,200 m of ascent.

Trail Running Shoes 47 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 68 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,200 m of ascent to walk up.
Headlamps A 14 h limit puts you out there after dark.