Bourlers, Belgium · Saturday, May 9, 2026

Fixed Distance 50K

Trail de Chimay

Race completed
50 km Distance
1,100 m Climbing
4.2 Grit · Challenging
50.0274° N, 4.3413° 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 8 hours 9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 89% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →
Field size ~155 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 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, May

Daytime high 17°C
Night low 8°C
Rainfall Mostly dry
Daylight 15 h 04 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 232 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2026 50km 155 Thomas Parmentier · 04:05:08 Eleonore Maury · 04:55:08
2025 50km 186 Ruben Sansom · 03:26:20 Iris Nicolle · 04:35:58
2024 50km 134 Thomas van Meurs · 04:10:44 Ann Andries · 05:13:03
2023 50km 70 Wannes Crivits · 04:03:07 Leonie Ton · 04:27:24
2022 48km 64 Ali Hamdi · 03:57:25 Ilka Joly · 04:45:35
2019 48.3km 69 Tim Vroman · 04:12:56 Nina Nielens · 05:41:09
2018 48.3km 97 Sven Maes · 04:04:14 Charlene Beauducel · 05:04:35
2017 50km 73 Garry Assel · 03:49:28 Samantha Deschodt · 05:42:08

The field shrank 17% between 2025 (186) and 2026 (155). 10% of the 2026 field were women.

DUV results for the 2026 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

⛰️ 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 50 km of trail with 1,100 m of ascent.

All gear guides →

Overview

The Trail de Chimay is a 50k trail race in Bourlers, Belgium. It features 1100m of elevation gain over its 50km course, averaging 22m of climb per kilometer.

With 155 finishers in its latest edition, this race has a larger field than 87% of 50k races in its peer group of 2646 races. The 8-hour time limit translates to a 9.6 minutes per kilometer cutoff pace, which is tighter than 80% of 1003 comparable 50k races. This leaves less margin for error than most races of this distance.

The entry fee for this Sport Events race ranges from 55€ to 65€. The event has been held 8 times since 2017, with the latest edition scheduled for May 2026.

Similar races

Other 50K trail ultras, closest in distance first.