Mesen, Belgium · Saturday, May 2, 2026

Fixed Distance 100K

Belgian Front Memorial Trail

Race completed
101 km Distance
340 m Climbing
5.6 Grit · Challenging
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50.7598° N, 2.8998° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 3 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 22 hours 13:04 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 82% of 100K races. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~25 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (101km) — 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 14 h 46 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 17 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat 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
🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 101 km of trail with 340 m of ascent.

  • Trail Running Shoes101 km of trail — cushioning that is still there in the last quarter.
  • Race NutritionPast 101 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsFlask capacity for 101 km, without the bounce.
  • HeadlampsA 22 h limit puts you out there after dark.
  • AccessoriesChafe and blisters end more 101 km races than fitness does.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Asics

Trabuco Max 3

★★★★★ 4.6

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

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

$170 ★★★★★ 4.6

Petzl

NAO RL

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

$150 ★★★★★ 4.7

Buff

CoolNet UV+ Multifunctional

UPF 50+ neck gaiter with cooling technology. Desert and sun essential.

$25 ★★★★★ 4.5
All gear guides →

Course Notes

Run along the front lines of the Great War. The Long Way (100.9km) will take you trough beautiful landscapes and will pass numerous monuments and cemeteries. The track is not not exceptionally difficult. You can run it without specific equipment.

Similar races

Other 100K trail ultras, closest in distance first.