Prix du Jockey Club initially 2,500 metres, and this was cut to 2,400 metres in 1843. It was switched to Versailles during the Revolution of 1848, and it was cancelled due to the Franco-Prussian War in 1871. The race was abandoned in 1915, and for three years thereafter it was replaced by the Prix des Trois Ans. This took place at Moulins in 1916, Chantilly in 1917 and Maisons-Laffitte in 1918. The first two runnings after World War I were held at Longchamp. A substitute race called the Prix de Chantilly was run at Auteuil over 2,600 metres in 1940. The Prix du Jockey
Prix Hocquart Prix Hocquart The Prix Hocquart is a Group 2 flat horse race in France open to three-year-old thoroughbred colts and fillies. It is run over a distance of 2,200 metres (about 1 mile and 3 furlongs) at Longchamp in May. The event was established in 1861, and it was originally called the Prix de Longchamps. In the early part of its history its distance was 2,500 metres. Due to the Franco-Prussian War, it was not run in 1871. The Prix de Longchamps was one of several trials for the Prix du Jockey Club collectively known as the Poules des Produits.