Complex sentence: The Celebration Mile is a Group 2 flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 1 mile at Goodwood Racecourse in late August.
Split into simpler sentences: The Celebration Mile is a Group 2 flat horse race in the United Kingdom for three-year-old and above thoroughbreds. It is run over a distance of 1 mile at Goodwood Racecourse in late August.