Le Grand Défi Solidaire: the multiple sclerosis charity race in the Parc de Sceaux
On Sunday, October 19, 2025, the Parc de Sceaux will be hosting the Grand Défi Solidaire, a friendly field day dedicated to the fight against multiple sclerosis, with races, walks and events open to all.
This Sunday, October 19, 2025, sports enthusiasts and Sunday runners who want to surpass themselves with a goal are gathering at Parc de Sceaux ( 92) to rally against multiple sclerosis! Come and run or walk with friends or family, and even with your dog (on a leash) in this emblematic park in the Hauts-de-Seine region, in the heart of nature, over several distances accessible to all, including children, up to 10km!
A major mobilization to raise awareness of multiple sclerosis research and support the 130,000 people affected by this neuro-evolutionary disease in France. As for the atmosphere, the Grand Défi Solidaire is a whole day to be shared in a friendly and festive atmosphere, with group warm-ups, zumba, massages and numerous other activities on the program.
Note that the 2.5 km route is suitable for wheelchairs, joëlettes and accompanying persons.
The routes
- 10 km solo = 25 euros
- 10 km relay (2×5 km) = 35 euros
- 5km run = 20 euros
- 5km walk = 17 euros
- 2.5 km walk (accessible) = 12 euros
- 1 km children = 6 euros
A guide to 2025 solidarity running events in Paris and the Île-de-France region
Are you a running enthusiast who likes to run like the wind, whatever the occasion? Or, on the contrary, would you like to surpass yourself in support of a cause close to your heart? Click here to discover our selection of solidarity races in Paris and the Île-de-France region this year 2025. [Read more]
