Pepinster, Belgium · Sunday, May 16, 2027

Fixed Distance 100K

Les Clochards Célestes

255 days away

101 km Distance

3,300 m Climbing

10.0 Grit · Elite / extreme

50.5657° N, 5.8039° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 33 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Field size ~96 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (101km) — 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 17°C

Night low 8°C

Rainfall Mostly dry

Daylight 15 h 29 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 266 m. Not a forecast.

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 101 km of trail with 3,300 m of ascent.

Trail Running Shoes 33 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition Past 101 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 3,300 m of ascent to walk up.
Headlamps 101 km almost certainly means running into the night.