Ogose, Saitama Pref., Japan · Sunday, October 4, 2026
Fixed Distance 50K
Trainic world Ogose-Tokigawa Trail Run 50km
31 days away
51.4 km Distance
1,400 m Climbing
4.7 Grit · Challenging
What the course asks
Climbing rate 27 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 11 hours
12:50 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 ~227 Large. Rarely out of sight of another runner.
DUV results for the 2025 edition (51.4km) — 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 20°C
Night low 11°C
Rainfall Wet — expect rain
Daylight 11 h 45 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 264 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 51 km of trail with 1,400 m of ascent.
- Trail Running Shoes 27 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 51 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 1,400 m of ascent to walk up.
- GPS Watches Battery life first — a 51 km day outlasts most full-GPS modes.
Course Notes
Run around the woodlands around Ogose-Tokigawa, 60% Trails
Similar races
Other 50K trail ultras, closest in distance first.