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),
Jockey Club Stakes one or more of the season's Classic winners. It was extended to 1 mile and 6 furlongs in 1901. The race continued to be staged in the autumn until 1962. It was switched to the spring and cut to 1 mile and 4 furlongs in 1963. It was subsequently closed to three-year-olds. The Jockey Club Stakes is currently held on the opening day of Newmarket's two-day Guineas Festival meeting. It is run on the same day as the 2,000 Guineas. The leading contenders from the Jockey Club Stakes often go on to compete in the Coronation Cup. The last to