Les 40 Bosses
Saint-Leu-la-Forêt, France • 6-7 Dec 2025
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 20 and 120 kilometers. Visit the organization's website for the most recent information.