sentences:  Deauville Racecourse was closed during World War II, and the Prix de Cabourg was not run from 1940 to 1945.It was cut to 900 metres in 1955, and its distance was frequently modified in the period thereafter.For brief spells it was contested over 1,000 metres (1956–57, 1961–64), 1,200 metres (1958–1960), 1,400 metres (1965–1970) and 1,300 metres (1971).