Complex sentence: The Racing Post Chase is a Grade 3 National Hunt horse race in the United Kingdom for five-year-old and above horses run over a distance of 3 miles (4,828 metres) at Kempton Park Racecourse in late February.
Split into simpler sentences: The Racing Post Chase is a Grade 3 National Hunt horse race in the United Kingdom for five-year-old and above horses. It is run over a distance of 3 miles (4,828 metres) at Kempton Park Racecourse in late February.