Complex sentence: The Cameron Handicap is a Newcastle Jockey Club Group 3 Thoroughbred open handicap horse race over a distance of 1500 metres, held annually at Broadmeadow Racecourse in Newcastle, New South Wales, Australia in September.
Split into simpler sentences: The Cameron Handicap is a Newcastle Jockey Club Group 3 Australian Thoroughbred open handicap horse race over a distance of 1500 metres. It is held annually at Broadmeadow Racecourse in Newcastle, New South Wales in September.