The 44th edition of the annual Paris/Versailles race will take place on Sunday 24 September so the main road to the club (Route Royale) will be closed to traffic from 9 am to 2 pm.
(The Meudon section of the race uses the Côte des Gardes, Avenue du Château and Route Royale. See this page.)
Park by the Tour Herzienne or the Urban Soccer and walk.