Nonetheless, the changes suited a growing population in Perth as the racetrack at Claremont was situated literally across the road from housing estates.
Also, the owner of the Claremont Showgrounds, the Royal Agricultural Society of Western Australia, while not wishing to lose their long time tenant, wanted to re-develop the main arena, which doubled as the speedway, into a fully grassed oval suitable for the Perth Royal Show and other outdoor festivals and concerts as well as for sports such as Australian rules football and cricket.
In the Western Australian tradition of having longer tracks than most of those in Australia,[citation needed] the Motorplex Speedway is a 540-metre (1⁄3 mi), 500-metre (550-yard),[which?]
Bikes generally run at the 142-metre (155-yard) Pinjar Park Speedway located north of Perth near the Barbagallo Raceway.
[3][citation needed] Motorvation was invented by Rob Woodcock and Phil Cockayne who also started Perth City Street Machine Club.