Complex sentence: The Grand Prix de Deauville is a Group 2 flat horse race in France for three-year-old and above thoroughbreds run over a distance of 2,500 metres (approximately 1 mile 4½ furlongs) at Deauville Racecourse in late August.
Split into simpler sentences: The Grand Prix de Deauville is a Group 2 flat horse race in France for three-year-old and above thoroughbreds. It is run over a distance of 2,500 metres (approximately 1 mile 4½ furlongs) at Deauville Racecourse in late August.