Complex sentence: The Diomed Stakes is a Group 3 flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 1 mile 114 yards (1,714 metres) at Epsom Downs Racecourse in early June.
Split into simpler sentences: The Diomed Stakes is a Group 3 flat horse race in the United Kingdom for three-year-old and above thoroughbreds. It is run over a distance of 1 mile 114 yards (1,714 metres) at Epsom Downs Racecourse in early June.