Australian Demolition Derby Association
DerbyMania – American Invasion
Get ready for the ultimate clash of steel and skill! 
On the weekend of July 25th and 26th, 2025, Hi-Tec Oils Toowoomba Speedway will host DerbyMania, Australia’s biggest Demolition Derby event.
The ADDA are excited to announce our Co-Main event, the always popular Woman’s Demolition Derby the “Queen of Crash”.
Witness the fiercest female drivers in Australia battle it out for the coveted title and $2000 in Prizemoney! Who will reign supreme?
Don’t miss this epic showdown! Mark your calendars and get ready to cheer on your favorite driver.
Stay tuned, registrations open soon!!
