Complex sentence: The Great St. Wilfrid Stakes is a flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 6 furlongs (1,207 metres) at Ripon Racecourse in August.
Split into simpler sentences: The Great St. Wilfrid Stakes is a flat horse race in the United Kingdom for three-year-old and above thoroughbreds. It is run over a distance of 6 furlongs (1,207 metres) at Ripon Racecourse in August.