National and world championships, presented by Alpinestars Australia.
Australian Superbike Championship
Round: Five
Date: 6-8 September
Location: Winton, Victoria
More information: www.asbk.com.au
Superbike World Championship
Round: 10
Date: 6-8 September
Location: Portimao, Portugal
Australian riders: Tom Edwards (WorldSSP300), Tom Bramich (WorldSSP300), Jack Hyde (WorldSSP300), Joel Kelso (WorldSSP300)
More information: www.worldsbk.com