Complex sentence: The Flying Childers Stakes is a Group 2 flat horse race in the United Kingdom for two-year-old Thoroughbreds run over a distance of 5 furlongs (1,006 metres) at Doncaster Racecourse during the St Leger meeting in September.
Split into simpler sentences: The Flying Childers Stakes is a Group 2 flat horse race in the United Kingdom for two-year-old Thoroughbreds. It is run over a distance of 5 furlongs (1,006 metres) at Doncaster Racecourse during the St. Leger meeting in September.