Complex sentence: The July Cup is a Group 1 flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 6 furlongs (1,207 metres) on the July Course at Newmarket Racecourse in early July.
Split into simpler sentences: The July Cup is a Group 1 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) on the July Course at Newmarket Racecourse in early July.