6. Ronde Nationale sur Terre "3h de la Valbonne" 1985
2. 11. 1985, Camp de La Valbonne • ASA du Rhône • gravel 247.00 km • total distance including road sections - 247.00 km • Other years
Crews had to complete the more laps in a 24.7 km stage during 3 hours. Experimental cars didn't count for French Gravel championship.
