North Ontake Ultra

Race completed

111 km Distance

not publishedn/a Climbing

5.6 est Grit · Challenging

Calculated from 111 km alone — the organiser has not published an elevation profile. Read 5.6 as a floor, not a verdict.

What the course asks

Field size ~91 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (111km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daylight 12 h 01 m of light

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	111km	91	Ryotaro Kamoshida · 08:37:21	Yuki Nozu · 11:44:36
2024	111km	43	Hideyuki Mamiya · 09:16:27	Mika Ohira · 10:59:18

The field grew 112% between 2024 (43) and 2025 (91). 14% of the 2025 field were women.

DUV results for the 2025 edition (111km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

Gear for this race

Chosen for 111 km of trail.

Trail Running Shoes 111 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 111 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 111 km, without the bounce.
Headlamps 111 km almost certainly means running into the night.
Accessories Chafe and blisters end more 111 km races than fitness does.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Salomon