Marathon de la Forêt Sacrée
About This Race
First edition of an all-nature marathon through the ancient Forêt de Haguenau in Alsace. The course runs entirely on cycling paths and wide forest trails with virtually no elevation gain, making it ideal for fast times. Also serves as the Bas-Rhin departmental championship. An incredibly affordable race at just €42 (one euro per kilometre).
The Course
Entirely nature course through the Forêt de Haguenau on cycling paths and wide forest trails. No elevation gain — flat and fast despite trail surface.
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Race Details
Terrain
Trail
Elevation
Flat
Participants
500 participants
Distances
Marathon
What to Expect
A pure nature marathon deep in the Forêt de Haguenau, one of Alsace's largest and most ancient forests. Despite the trail setting, the course is completely flat on wide paths, making it perfect for runners chasing PBs in a natural environment. Small and intimate with just 500 runners.
Highlights
Race Information
Start Time
10:30
Typical Weather
Mid-April in Alsace: 8-16°C, spring conditions with possible showers. Cool mornings warming up by midday. Forest cover provides shelter.
Established
2026
Tags
Frequently Asked Questions
Quick Info
- April 19, 2026
- Surbourg · France
- Trail course
- Flat elevation
- 500 participants
Verified event information
- Last verified about 9 hours ago
- Data sourced from official website