Complex sentence: The Sussex Stakes is a Group 1 flat horse race in the United Kingdom for three-year-old and above thoroughbreds run over a distance of 1 mile at Goodwood Racecourse during the Glorious Goodwood meeting in late July/early August.
Split into simpler sentences: The Sussex Stakes is a Group 1 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 during the Glorious Goodwood meeting in late July or early August.