EcoTrail Brussels 46km

Race completed

46 km Distance

1,024 m Climbing

3.8 Grit · Challenging

50.8023° N, 4.3394° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 22 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 16 hours 20:52 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 50K cut-offs we track. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~120 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (52km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 20°C

Night low 10°C

Rainfall Mostly dry

Daylight 13 h 21 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 37 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	52km	120	Virgile Vandewalle · 03:43:34	Lisa De Valkeneer · 04:44:28
2023	52km	106	Daniel Vasbeck · 04:11:27	Claire Hermange · 04:41:29
2022	65km	49	Jan Muller · 05:38:58	Manuela Soccol · 05:28:15

The field grew 13% between 2023 (106) and 2025 (120). 12% of the 2025 field were women.

DUV results for the 2025 edition (52km) — 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

Gear for this race

Chosen for 46 km of trail with 1,024 m of ascent.

Trail Running Shoes 22 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 46 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,024 m of ascent to walk up.
Headlamps A 16 h limit puts you out there after dark.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Spring Energy