VAM12

Race completed

not publishedn/a Distance

100 m Climbing

not publishedn/a Grit

We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.

52.8149° N, 6.5164° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

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

DUV results for the 2025 edition (12h) — ranked runners 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 16 h 27 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 2 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	12h	46	Niels Grote Beverborg · 99.800 km	Tessa Brand · 89.900 km
2024	12h	60	Maarten Naaktgeboren · 112.200 km	Mascha Rondhuis · 95.200 km
2023	12h	41	Jort van Zutphen · 102.000 km	Selina van der Vliet · 95.200 km

The field shrank 23% between 2024 (60) and 2025 (46). 17% of the 2025 field were women.

DUV results for the 2025 edition (12h) — ranked runners 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

👟 gear

With road terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for this road race with 100 m of ascent.

Trail Running Shoes Cushioning on road that is still there in the last quarter.
Race Nutrition Self-supported fuelling between aid stations.
Hydration Vests Flask capacity without the bounce.
Headlamps A 12 h limit puts you out there after dark.
GPS Watches Battery life first — an ultra outlasts most full-GPS modes.

Adidas

Adizero Evo SL

RunRepeat found the Adidas Adizero Evo SL to be lightweight and well-cushioned, with a 100% Lightstrike Pro midsole and world-class Continental outsole. irunfar…

★★★★★ 4.7

Salomon