Prix Dollar in 1957, and extended to 2,250 metres in 1958. It reverted to 2,000 metres in 1960, and was held at Chantilly in 1965 and 1966. A new distance of 1,950 metres was introduced in 1969. The Prix Dollar was run at Chantilly's Prix du Jockey Club meeting over 2,000 metres in 1986. It was switched to Longchamp's late September fixture in 1987. It was opened to three-year-olds and moved to the Saturday of Prix de l'Arc de Triomphe weekend in 1988. The latter race is traditionally held on the first Sunday of October. Prix Dollar The Prix Dollar is a
Prix La Force can serve as a trial for the Prix du Jockey Club. The last horse to win both races was Saonois in 2012. The 2002 winner "Diaghilev" was later exported to Hong Kong and renamed "River Dancer". <br> <br> Prix La Force The Prix La Force is a Group 3 flat horse race in France open to three-year-old thoroughbreds. It is run over a distance of 2,000 metres (about 1¼ miles) at Longchamp in April. The event is named in memory of the Duc de La Force, Bertrand Nompar de Caumont (1840–1909), a member of the Société d'Encouragement. It was established