Nagasaki City, Japan · Sunday, February 14, 2027

Fixed Distance 50K

Nagasaki Round Trail

164 days away

46 km Distance

2,620 m Climbing

6.2 Grit · Hardcore

32.7500° N, 129.8833° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 57 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 11 hours 14:21 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 69% of 50K races. Measured against 982 races of the same distance. Cut-off calculator →

Field size ~46 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (46km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, February

Daytime high 11°C

Night low 3°C

Rainfall Showers likely

Daylight 10 h 58 m of light

Regional 2001-2020 average for February — NASA POWER, grid elevation 116 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 46 km of trail with 2,620 m of ascent.

Trail Running Shoes 57 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 46 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,620 m of ascent to walk up.
GPS Watches Battery life first — a 46 km day outlasts most full-GPS modes.