Green’s Dictionary of Slang

(Aus.) the Royal Randwick Racecourse, Sydney.

1983		J. Byrell (con. 1959) Up the Cross 74: The Easter Carnival at Royal Randy.
1996		J. Byrell Lairs, Urgers & Coat-Tuggers xvi: By the time ‘Samson’ Bunter got back to his new residence from Randy he was as full as a brewery horse’s fart and a good bit lighter in the kick.
1996		J. Byrell Lairs, Urgers & Coat-Tuggers 82: [V]arious luminaries or knockabouts he used to quietly [...] come into contact with all the time at Royal Randy or Canterbury.