Complex sentence: The Feilden Stakes is a Listed flat horse race in the United Kingdom for three-year-old thoroughbreds run over a distance of 1 mile 1 furlong (1,811 metres) on the Rowley Mile course at Newmarket in mid April.
Split into simpler sentences: The Feilden Stakes is a Listed flat horse race in the United Kingdom for three-year-old thoroughbreds. It is run over a distance of 1 mile 1 furlong (1,811 metres) on the Rowley Mile course at Newmarket in mid April.