Barr, France · Sunday, May 17, 2026

Fixed Distance 50K

Trail Alsace Grand Est by UTMB - Trail des Celtes

Race completed

47 km Distance

1,600 m Climbing

4.8 Grit · Challenging

48.4076° N, 7.4487° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 34 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 9 hours 11:29 min/km average. Generous. Walkable throughout for most of the field. About average for a 50K. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~1,870 Very large. Congested start, busy aid stations.

DUV results for the 2026 edition (47km) — 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 20°C

Night low 9°C

Rainfall Mostly dry

Daylight 15 h 16 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 268 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	47km	1,870	Christian Allen · 03:11:57	Martyna Mlynarczyk · 03:48:33
2025	50km	1,771	Benjamin Roubiol · 03:35:09	Marie Goncalves · 04:22:20
2024	50km	1,701	Sammy Rotich Chelangat · 03:33:31	Marie Goncalves · 04:29:31
2023	50km	1,442	Gregory Basilico · 03:48:07	Emily Elizabeth Schmitz · 04:30:48

The field grew 6% between 2025 (1,771) and 2026 (1,870). 22% of the 2026 field were women.

DUV results for the 2026 edition (47km) — 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 47 km of trail with 1,600 m of ascent.

Trail Running Shoes 34 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 47 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,600 m of ascent to walk up.
GPS Watches Battery life first — a 47 km day outlasts most full-GPS modes.

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

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Nathan

VaporKrar 12L

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

$170 ★★★★★ 4.6

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8

All gear guides →

Overview

The Trail Alsace Grand Est by UTMB - Trail des Celtes, a 47 km trail race in Barr, France, features 1600m of elevation gain. This results in 34m of climb per kilometer, making it a challenging course for its distance category. With a field of 1870 finishers in its latest edition, this race is larger than 100% of its 2650 peer 50k races.

The 9-hour time limit means a cutoff pace of 11.5 minutes per kilometer. This cutoff is tighter than 55% of 1009 peer 50k races, requiring a consistent pace to finish. The race has been held 4 times, with the first edition in 2023.

Similar races

Other 50K trail ultras, closest in distance first.