Hoek van Holland, Netherlands · Friday, January 22, 2027

Fixed Distance 100K

Pierewaai Winter Trail 100k (nightrun)

141 days away

100 km Distance

580 m Climbing

5.9 Grit · Challenging

51.9775° N, 4.1333° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 6 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 14 hours 8:24 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 85% of 100K races. Measured against 203 races of the same distance. Cut-off calculator →

Field size ~10 Tiny. You will run alone for most of it.

DUV results for the 2026 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, January

Daytime high 6°C

Night low 2°C

Rainfall Mostly dry

Daylight 8 h 33 m of light

Regional 2001-2020 average for January — NASA POWER, grid elevation 0 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat 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 580 m of ascent.

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 14 h limit puts you out there after dark.
Accessories Chafe and blisters end more 100 km races than fitness does.