Les 40 Bosses
DEC
6-7
2025
Read all about the Les 40 Bosses on 6-7 Dec 2025 in Saint-Leu-la-Forêt.
6-7 Dec 2025
120 kilometers
75 kilometers
45 kilometers
20 kilometers
10 kilometers
Always double-check with the organizer's website! This page may contain affiliate links.
About the race
The Les 40 Bosses will take place in Saint-Leu-la-Forêt from Saturday 6 December 2025 to Sunday 7 December 2025. You can run between 10 and 120 kilometers. Visit the organization's website for the most recent information.
120 km
120kms
75 km
75kms
45 km
45kms
20 km
20kms
20 km
20kms Nocturne
10 km
10kms
