The Semi-Marathon de Bois-Guillaume is an annual running event in Bois-Guillaume, France. The 37th edition (2025) featured a Half Marathon (21.1 km) and 10 km race, plus a Joëlette Cup for runners with disabilities. The course includes two 10 km loops, partly through Forêt Verte.
Pricing (2025): 10 km €15 (€13 FFA members), Half Marathon €20 (€18 FFA members). The event partners with Octobre Rose cancer charity.
Contact: semi-marathon@ville-bois-guillaume.fr
For registration and full details, visit the official event website.
Date
Oct 11, 2026
Location
Bois-Guillaume, Normandy, France
Sport
Running
Website