Complex sentence: The Stardom Stakes is a Listed flat horse race in the United Kingdom for two-year-old thoroughbreds run over a distance of 1 mile at Goodwood Racecourse in September.
Split into simpler sentences: The Stardom Stakes is a Listed flat horse race in the United Kingdom for two-year-old thoroughbreds. It is run over a distance of 1 mile at Goodwood Racecourse in September.