Chaumont-Gistoux, Belgium · Sunday, December 6, 2026

Fixed Distance 50 mi

Trail du BW - 62km

81 days away

62 km Distance

1,180 m Climbing

4.9 Grit · Challenging

What the course asks

Climbing rate 19 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 10 hours 9:41 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 79% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →

Field size ~77 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (62km) — 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 62 km of trail with 1,180 m of ascent.

Trail Running Shoes62 km of trail — cushioning that is still there in the last quarter.
Race Nutrition62 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 62 km, without the bounce.
GPS WatchesBattery life first — a 62 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

★★★★★ 4.5

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

Skratch Labs