Complex sentence: The Stewards' Cup is a flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a straight 6 furlongs (1,207 m) at Goodwood Racecourse during the Glorious Goodwood meeting in late July/early August.
Split into simpler sentences: The Stewards' Cup is a flat horse race in the United Kingdom for three-year-old and above thoroughbreds. It is run over a straight 6 furlongs (1,207 m) at Goodwood Racecourse during the Glorious Goodwood meeting in late July or early August.