Prix du Gros Chêne 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), and it is scheduled to take place each year in late May or early June. The event was established in 1857, and it was originally contested over 800 metres. Its title refers to a large oak tree which stood in the grounds of the racecourse – the English translation of "Gros Chêne" is "Great Oak". The race was abandoned because
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