Linie1629ultra

Race completed

50 km Distance

not publishedn/a Climbing

2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

51.6533° N, 5.2875° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 6 hours 7:12 min/km average. Firm. Sustained running. Long aid-station stops will cost you. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the tightest 50K cut-offs we track. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~40 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 22°C

Night low 12°C

Rainfall Mostly dry

Daylight 16 h 27 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 12 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	40	Joan School · 03:44:13	Mascha Rondhuis · 03:44:16
2024	50km	52	Kristof Declerck · 03:35:39	Margot van Ingen-Stokbroekx · 04:13:29

The field shrank 23% between 2024 (52) and 2025 (40). 18% of the 2025 field were women.

DUV results for the 2025 edition (50km) — 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

👟 gear

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

By UltraHub Expert

Gear for this race

Chosen for 50 km of road.

Trail Running Shoes 50 km of road — cushioning that is still there in the last quarter.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 50 km, without the bounce.
GPS Watches Battery life first — a 50 km day 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

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Spring Energy