The Inter Dominion was the brain child of Western Australian Trotting Association Chairman Mr. J P Stratton, with the first series held at Gloucester Park, Perth.The host of the series is rotated between the six harness racing states of Australia and the North and South Islands of New Zealand.[7] The 2023 Inter Dominion started on 1 December 2023 at Albion Park, the venue for the whole series which is a 1019m left-handed all weather track.The grand final was won by Leap To Fame (trained and driven by Grant Dixon) from Better Eclipse (Jess Tubbs & Greg Sugars) and Swayzee (Jason Grimson & Cameron Hart) third.[43] Spankem who was one of the favourite contenders for the Interdoms was withdrawn due to a fetlock injury diagnosed following Christchurch cupweek.The Grand final (2700m) was raced on 14 December and won by Ultimate Sniper (Natalie Rasmussen) in 3:14.7 (1:56.0) from Mach Shard (Zac Butcher) and Thefixer (Blair Orange).