Complex sentence: The Scottish Derby was a Group 2 flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 1 mile 2 furlongs (2,012 metres) at Ayr Racecourse in July.
Split into simpler sentences: The Scottish Derby was a Group 2 flat horse race in the United Kingdom for three-year-old and above thoroughbreds. It was run over a distance of 1 mile 2 furlongs (2,012 metres) at Ayr Racecourse in July.