Yamaguchi City, Japan · Sunday, May 9, 2027

Fixed Distance 100K

Yamaguchi Hagi Return

248 days away

100 km Distance

not publishedn/a Climbing

5.0 est Grit · Challenging

Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.

34.1833° N, 131.4667° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 15 hours 9:00 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 71% of 100K races. Measured against 203 races of the same distance. Cut-off calculator →

Field size ~197 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2023 edition (65km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 23°C

Night low 14°C

Rainfall Showers likely

Daylight 13 h 45 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 107 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

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

By UltraHub Expert

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail.

Trail Running Shoes 100 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 100 km, without the bounce.
Headlamps A 15 h limit puts you out there after dark.
Accessories Chafe and blisters end more 100 km races than fitness does.