Ultra Trail Haute Ardenne - Jour 1 100 km

Race completed

100 km Distance

2,800 m Climbing

9.2 Grit · Elite / extreme

50.5016° N, 6.0926° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 28 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Field size ~64 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 22°C

Night low 12°C

Rainfall Mostly dry

Daylight 15 h 20 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 424 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	100km	64	Daan Nieuwenhuis · 09:45:40	Shefi Xhaferaj · 11:15:28

3% of the 2025 field were women.

DUV results for the 2025 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 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 with 2,800 m of ascent.

Trail Running Shoes 28 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,800 m of ascent to walk up.
Headlamps 100 km almost certainly means running into the night.