Complex sentence: The Prix de la Salamandre was a Group 1 flat horse race in France for two-year-old thoroughbred colts and fillies run over a distance of 1,400 metres (6.96 furlongs) at Longchamp Racecourse in September.
Split into simpler sentences: The Prix de la Salamandre was a Group 1 flat horse race in France open to two-year-old thoroughbred colts and fillies. It was run over a distance of 1,400 metres (approximately 7 furlongs) at Longchamp Racecourse, and it took place annually in September.