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),
Allaire du Pont Allaire du Pont, Martha F. Gerry, and Penny Chenery became the first women to be admitted as members of The Jockey Club. The Grade III Pimlico Breeders' Cup Distaff Handicap at Pimlico Race Course was renamed the Allaire du Pont Breeders' Cup Distaff in her memory. Allaire du Pont died January 6, 2006 at her Woodstock Farm near Chesapeake City, Maryland. Allaire du Pont Allaire du Pont (May 4, 1913 – January 6, 2006) was an American sportswoman and a member of the prominent French-American Du Pont family of chemical manufacturers who is most remembered as the owner of the