Complex sentence: The March Stakes is a Listed flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 1 mile and 6 furlongs (2,816 metres) at Goodwood Racecourse in August.
Split into simpler sentences: The March Stakes is a Listed flat horse race in the United Kingdom for three-year-old and above thoroughbreds. It is run over a distance of 1 mile and 6 furlongs (2,816 metres) at Goodwood Racecourse in August.