Complex sentence: The Prix Ganay is a Group 1 flat horse race in France for four-year-old and above thoroughbreds run over a distance of 2,100 metres (approximately 1 mile and 2½ furlongs) at Longchamp racecourse in late April/early May.
Split into simpler sentences: The Prix Ganay is a Group 1 flat horse race in France for four-year-old and above thoroughbreds. It is run over a distance of 2,100 metres (approximately 1 mile and 2½ furlongs) at Longchamp Racecourse in late April or early May.