Complex sentence: The Greenham Stakes is a Group 3 flat horse race in the United Kingdom for three-year-old thoroughbred colts and geldings run over a distance of 7 furlongs (1,408 metres) at Newbury in mid April.
Split into simpler sentences: The Greenham Stakes is a Group 3 flat horse race in the United Kingdom for three-year-old thoroughbred colts and geldings. It is run over a distance of 7 furlongs (1,408 metres) at Newbury in mid April.