Complex sentence: The Premio Parioli is a Group 3 flat horse race in Italy for three-year-old thoroughbred colts run over a distance of 1,600 metres (approximately 1 mile) at the Capannelle Racecourse, Rome in late April/early May.
Split into simpler sentences: The Premio Parioli is a Group 3 flat horse race in Italy for three-year-old thoroughbred colts. It is run over a distance of 1,600 metres (approximately 1 mile) at Capannelle Racecourse, Rome in late April or early May.