Prix du Gros Chêne horse, Fine Art. The race returned to its original venue, Chantilly, in 1957. The present system of race grading was introduced in 1971, and for a period the Prix du Gros Chêne held Group 3 status. It was promoted to Group 2 level in 1988. The race is now held on the same day as the Prix du Jockey Club. Prix du Gros Chêne The Prix du Gros Chêne is a Group 2 flat horse race in France open to thoroughbreds aged three years or older. It is run at Chantilly over a distance of 1,000 metres (about 5 furlongs),
Grand Prix du Comminges different route. The hilly terrain allowed for excellent viewing close to the beginning and end of the race from atop a hill at the outskirts of Saint-Gaudens. In 1926, the French Grand Prix was held here over a slightly altered course and in the 1930s, the course layout was modified a few times beginning with changes made to accommodate holding the official French Grand Prix in 1928. At the 1932 race, a stroke of luck saved several spectators from death. René Dreyfus was leading in his Bugatti going into the final lap. Rain fell and on the wet road he