Complex sentence: The Newcastle Newmarket Handicap is a Newcastle Jockey Club Group 3 Thoroughbred open handicap horse race over a distance of 1400 metres, held annually at Broadmeadow Racecourse in Newcastle, New South Wales, Australia in March.
Split into simpler sentences: The Newcastle Newmarket Handicap is a Newcastle Jockey Club Group 3 Australian Thoroughbred open handicap horse race over a distance of 1400 metres. It is held annually at Broadmeadow Racecourse in Newcastle, New South Wales in March.