La Sans Raison

La Sans Raison is a solidarity running event taking place on November 24, 2024, at Stade Robert Wagner in Vélizy. Now in its 12th edition, the event supports the Laurette Fugain Association, which raises awareness about blood and bone marrow donations. Participants can choose from three different courses: a challenging 30 km trail for experienced runners, a 19 km intermediate trail, and an 11 km course suitable for beginners.

Additionally, there are children's races to encourage young participants. The event aims to promote community spirit and raise funds for medical research and support for those affected by leukemia. Visit the organization's website for the most recent information.