Complex sentence: The Cambridgeshire Handicap is a flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a straight distance of 1 mile 1 furlong (1,811 metres) at Newmarket's Rowley Mile course in late September/early October.
Split into simpler sentences: The Cambridgeshire Handicap is a flat horse race in the United Kingdom for three-year-old and above thoroughbreds. It is run over a straight distance of 1 mile 1 furlong (1,811 metres) at Newmarket's Rowley Mile course in late September or early October.