Formally announced for AUSX Open Geelong and Perth rounds.
Honda HRC Progressive’s defending 250SMX world champion Jo Shimoda is set to make his 450 supercross debut at the 2026 Boost Mobile AUSX Open in Geelong on November 7, in addition to Perth on November 14.
The 24-year-old from Suzuka, Japan, has formally been announced by Boost Mobile AUSX Supercross Championship organisers to be making two starts in the 2026 series before returning to the 250 class in the US for 2027.
“Australia has always been on my radar as a place to visit and to compete and to be making my 450 debut there makes it even more special,” Shimoda commented.
“I had some experience racing the 450cc at Motocross of Nations last year and went well, so I expect to be racing for the win in November. I’m fired up to race in Geelong and Perth, before switching back to the 250cc to prepare for the 2027 season in USA. It’s going to be a lot of fun!”
AUSX CEO Adam Bailey added: “It’s incredible to be able to announce a huge talent like Jo is one of the most exciting young riders in the world and we’re incredibly proud to welcome him to Australia for AUSX Open Geelong and AUSX Perth.
“Adding a Japanese talent of Jo’s calibre further showcases the global spread of supercross talent, competing with us this year. With riders from Germany, USA, New Zealand, Scotland, France and now Japan, we can’t wait for this October and November.”
Tickets for the 2026 Boost Mobile AUSX Supercross Championship, presented by Monster Energy, are on sale now via Ticketmaster. Complete event information can be found at www.ausxsupercross.com.au.


