Défi Inter-Entreprises de Blois Agglopolys

Race facts

• It takes place on a Friday, September 25, 2026 — autumn in this part of the world.
• The closest comparable running event is Taga 2040 - 26a Edició in Sant Joan de les Abadesses, 193 km away, on September 21, 2026.
• 12 of the 12 most similar events take place in the same month.