21
km
400
D+
FORMATS
Course
The Trail de l'Effort des Forts is a 21-kilometre trail race with 400 metres of elevation gain, starting from Manonviller, a small Lorraine village in the Meurthe-et-Moselle department, on the border between Lorraine and Alsace. This original event takes runners in the footsteps of the region's military history, along a course connecting several forts from the fortified belt built after the 1870 war to defend the French border against the German Empire.
Manonviller and its surroundings bear the scars of a turbulent history. The Fort de Manonviller, built between 1878 and 1883 to the plans of General Séré de Rivières, was part of the vast fortification system stretching from Verdun to Toul and from Toul to Épinal, forming a defensive curtain designed to protect France from another invasion. The Trail de l'Effort des Forts pays tribute to this memory by introducing runners to these impressive military structures, often overgrown with vegetation and reclaimed by nature, which dot the Lorraine hills like so many forgotten sentinels.
The course traverses the characteristic landscapes of rural Lorraine: gentle hills covered with beech and oak forests, hedgerow meadows where Lorraine cattle graze, orchards of mirabelle plum trees — the region's emblematic fruit — and villages of limestone with round-tile roofs. The trails follow the forest paths that once connected the fortifications to one another, passing through undergrowth carpeted with bluebells in spring and golden ferns in autumn. The alternation between forest passages and openings onto the Lorraine countryside creates a pleasant and varied rhythm.
With 400 metres of elevation gain over 21 kilometres, the Trail de l'Effort des Forts is an accessible event suited to both beginner trail runners and experienced racers looking for a fast outing. The Lorraine terrain, consisting of clay and limestone soils, can prove slippery and sticky in wet weather, adding an unexpected technical dimension to this modestly hilly course. The passages around the forts, with their moats, glacis, and covered ways, bring a playful and historical touch that distinguishes this race from many others of similar distance.
The Trail de l'Effort des Forts is rooted in the memory and terroir of Lorraine. The race provides an opportunity to discover a little-known but fascinating military heritage, bearing witness to an era when Lorraine was a disputed borderland between France and Germany. Beyond the historical dimension, it is also Lorraine's conviviality that gives this event its charm: the warm welcome of volunteers, aid stations stocked with quiche lorraine and madeleines, and the good-natured atmosphere of a village race that brings the local community together around sport and remembrance. The Trail de l'Effort des Forts proves that you do not need to run in high mountains to experience a fine trail adventure: Lorraine, with its soothing landscapes and deep history, offers a race setting imbued with authenticity and meaning.
Race profile
Trail de l'Effort des Forts is a 21 km trail race with 400 m of elevation gain, located in Manonviller, Aisne. The next edition is scheduled for 21 March 2026.
Find all official information on the race website.
Frequently asked questions
What is the distance and elevation of the Trail de l'Effort des Forts?
The Trail de l'Effort des Forts is a 21 km trail with 400 m of elevation gain, starting from Manonviller in the Aisne. The course connects old military forts in a historical and forested setting.
How do I register for the Trail de l'Effort des Forts?
Registration is done on the official website. A medical certificate is required. The race is very accessible, perfect for a first trail experience or a friendly outing.
What is the time limit for the Trail de l'Effort des Forts?
The time limit is approximately 4 to 5 hours for the 21 km. The course is runnable with very moderate elevation gain.
What mandatory gear is required for the Trail de l'Effort des Forts?
Mandatory gear is minimal: a mobile phone, water reserves, and a personal cup. The list is adapted to this short distance.
Can I have a crew or assistant at the Trail de l'Effort des Forts?
Assistants can be present at the start and finish. On goodborning., find a local assistant to organize your logistics if you are coming from far away.
When does the Trail de l'Effort des Forts take place?
The next edition is scheduled for March 21, 2026, starting from Manonviller in the Aisne.
Do you organize this race?