Bouillon, Belgium · Saturday, June 6, 2026

Fixed Distance 50 mi

Trail Godefroy Bouillon TGB 75

Race completed

75 km Distance

2,500 m Climbing

7.5 Grit · Hardcore

49.7932° N, 5.0670° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 33 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 14 hours 11:12 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 471 races of the same distance. Cut-off calculator →

Field size ~90 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (75km) — 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.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	75km	90	Jef Torbeyns · 07:02:57	Alexandra Cassart · 09:45:05
2024	80km	59	Stan van Bael · 07:33:21	Eleonore Maury · 11:24:27

The field grew 53% between 2024 (59) and 2025 (90). 13% of the 2025 field were women.

DUV results for the 2025 edition (75km) — 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 75 km of trail with 2,500 m of ascent.

Trail Running Shoes 33 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 75 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,500 m of ascent to walk up.
Headlamps A 14 h limit puts you out there after dark.

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

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

All gear guides →

Overview

The Trail Godefroy Bouillon TGB 75 is a 75-kilometer trail race in Bouillon, Belgium, that has been run 2 times since 2024. Its 2500 meters of elevation gain mean that runners face 33 meters of climb per kilometer.

With a 14-hour time limit, this race has a cut-off tighter than 52% of 50-mile races, requiring a pace quicker than 11.2 minutes per kilometer. The field of 90 finishers in 2025 makes this a larger event than 71% of its 649 peer races.

Similar races

Other 50 mi trail ultras, closest in distance first.