Complex sentence: The Scottish Grand National is a Grade 3 National Hunt horse race in the United Kingdom for five-year-old and above horses run over a distance of 4 miles 110 yards (6,538 metres) at Ayr Racecourse in April.
Split into simpler sentences: The Scottish Grand National 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 4 miles 110 yards (6,538 metres) at Ayr Racecourse in April.