Des Marais et des Bosses

"Des Marais et des Bosses" is a timed running event taking place in Saint-Herblain on November 17, 2024, organized by the Outdoor Club Herblinois. The event features multiple race formats, including a team relay of four runners covering approximately 42 km, a two-person team relay of about 21 km, and a 5 km individual race called "Le Souffle Solidaire," which supports the association Vaincre la Mucoviscidose. Additionally, there is a non-timed children's race, "Des Bossinettes," for ages 10 to 13.

Participants must register online, and various challenges for companies are also available. Visit the organization's website for the most recent information.