Bouillon, Belgium · Saturday, June 6, 2026

Fixed Distance 50K

Trail Godefroy Bouillon TGB 50

Race completed
53 km Distance
1,840 m Climbing
5.4 Grit · Challenging
49.7932° N, 5.0670° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 35 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 9 hours 10:11 min/km average. Generous. Walkable throughout for most of the field. Tighter than 77% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~249 Large. Rarely out of sight of another runner.

DUV results for the 2025 edition (53km) — 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 21°C
Night low 11°C
Rainfall Mostly dry
Daylight 16 h 09 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 295 m. Not a forecast.

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 53 km of trail with 1,840 m of ascent.

All gear guides →

Course Notes

Start and finish are in Bouillon, Quai des Saulx, 6830 Bouillon

Similar races

Other 50K trail ultras, closest in distance first.