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
Saratoga Race Course thoroughbred race card on the track previously used for harness racing (and now the location of the Oklahoma Training Track). The current course was opened across the street from the old standardbred track the following year. Among those instrumental to the creation of the Saratoga Race Course were John Hunter (later the first chairman of The Jockey Club), William R. Travers, John Morrissey, and Cornelius Vanderbilt. The Saratoga meet originally lasted only four days. The meet has been lengthened gradually since that time; for many decades, the meet lasted four weeks and began in late July or early August. The