Complex sentence: The Jockey Club Cup is a Group 3 flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 2 miles (3,219 metres) at Newmarket Racecourse in October.
Split into simpler sentences: The Jockey Club Cup 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 2 miles (3,219 metres) at Newmarket Racecourse in October.