Ellerslie Racecourse is the main racecourse in Auckland, New Zealand, for thoroughbred racehorses. It is an undulating, grass circuit in the suburb of Ellerslie, with a circumference of just under 1,900 metres. Racing is conducted in a clockwise (right-handed) direction.

Sir George Alfred Julius was an English-born New Zealand inventor and entrepreneur. He was the founder of Julius Poole & Gibson Pty Ltd and Automatic Totalisators Ltd, and invented the world's first automatic totalisator.