Fujiyoshida, Yamanashi, Shizuoka, Japan · Friday, April 23, 2027

100 mi

Ultra-Trail Mt. Fuji

167 days away
168 km Distance
8,000 m Climbing
10.0 Grit · Elite / extreme
35.4878° N, 138.8076° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 48 m / km Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 45 hours 16:04 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 85% of 100 mi races. Measured against 46 races of the same distance. Cut-off calculator →
Field size ~1,408 Very large. Congested start, busy aid stations.

DUV results for the 2026 edition (167km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 15°C
Night low 4°C
Rainfall Showers likely
Daylight 13 h 20 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 732 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 mountain terrain, choose a shoe with aggressive lugs (5mm+) 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 168 km of mountain with 8,000 m of ascent.

  • Trail Running Shoes48 m of climb per kilometre — grip and rock protection before cushioning.
  • Race NutritionPast 168 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsPole attachment and chest-strap stability on steep ground.
  • Trekking Poles8,000 m of ascent to walk up.
  • HeadlampsA 45 h limit puts you out there after dark.
All gear guides →

About

A 168km loop around Mount Fuji through forests, mountains, and volcanic terrain.

Highlights

  • Mount Fuji circuit
  • Japanese mountain culture
  • UTWT race

Course Notes

From Fujisan Kodomo-no-Kuni, Fuji-shi, Shizuoka Prefecture to Fujikyu Highland Fujikawaguchiko Town and Fujiyoshida City, Yamanashi

Similar races

Other 100 mi mountain ultras, closest in distance first.