France
May
3
Saturday
Marathon de la Mer
The Marathon de la Mer will take place in Boulogne-sur-Mer on Saturday 3 May 2025. You can run between 10 and 42 kilometers. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
42 km
Marathon
21 km
Semi-Marathon
10 km
