Complex sentence: The Somerville Tattersall Stakes is a Group 3 flat horse race in the United Kingdom for two-year-old thoroughbred colts and geldings run over a distance of 7 furlongs (1,408 metres) at Newmarket's Rowley Mile course in late September/early October.
Split into simpler sentences: The Somerville Tattersall Stakes is a Group 3 flat horse race in the United Kingdom for two-year-old thoroughbred colts and geldings. It is run over a distance of 7 furlongs (1,408 metres) at Newmarket's Rowley Mile course in late September/early October.