Sunday, November 22, 2026
· In 3 weeks
Distance
Terrain
Difficulty
The Des Marais et des Bosses is a running event held in Saint-Herblain, France, featuring distances of 11 km, marathon, and a duo/team relay. Participants traverse marshlands and hilly terrain in the Pays de la Loire region.
Marshy terrain
Rolling hills
Loop course for 11 km
Start / Finish
La Carrière, Saint-Herblain
Route
Other questions
Yes, there is a Duo/Team of 4 option covering distances between 10.5 km and 42 km.
The official website is https://desmaraisetdesbosses.fr/.
Entry fee not listed
Check the race's registration page for pricing.Saint-Herblain, France
Sunday, November 22, 2026
More races like this one
