Prix du Cadran late May. It was opened to geldings in 1986. The race was moved to the Saturday of Prix de l'Arc de Triomphe weekend in 1991. It was later switched to the same day as the "Arc", usually the first Sunday in October. Most successful horse (4 wins): Leading jockey (5 wins): Leading trainer (15 wins): Leading owner (11 wins): The 2016 and 2017 races took place at Chantilly while Longchamp was closed for redevelopment. Prix du Cadran The Prix du Cadran is a Group 1 flat horse race in France open to thoroughbreds aged four years or older. It is
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