Complex sentence: The Betfair Chase is a Grade 1 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 Haydock Park Racecourse in November.
Split into simpler sentences: The Betfair Chase is a Grade 1 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 Haydock Park Racecourse in November.