Iga, Mie Pref., Japan · Sunday, November 1, 2026

Fixed Distance 50K

Ninja Trail Run

59 days away

48 km Distance

2,500 m Climbing

6.2 Grit · Hardcore

34.7498° N, 136.1423° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 52 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 10 hours 12:30 min/km average. Generous. Walkable throughout for most of the field. About average for a 50K. Measured against 982 races of the same distance. Cut-off calculator →

Field size ~293 Large. Rarely out of sight of another runner.

DUV results for the 2025 edition (48km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, November

Daytime high 14°C

Night low 5°C

Rainfall Showers likely

Daylight 10 h 48 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 382 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 48 km of trail with 2,500 m of ascent.

Trail Running Shoes 52 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 48 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,500 m of ascent to walk up.
GPS Watches Battery life first — a 48 km day outlasts most full-GPS modes.