Complex sentence: The Lancashire Oaks is a Group 2 flat horse race in the United Kingdom for three-year-old and above thoroughbred fillies and mares run over a distance of 1 mile 3 furlongs and 200 yards (2,396 metres) at Haydock Park Racecourse in July.
Split into simpler sentences: The Lancashire Oaks is a Group 2 flat horse race in the United Kingdom for three-year-old and above thoroughbred fillies and mares. It is run over a distance of 1 mile 3 furlongs and 200 yards (2,396 metres) at Haydock Park Racecourse in July.