National and world championships, presented by Alpinestars Australia.
MX Nationals
Round: 2
Date: 29 April
Location: Appin, New South Wales
More information: www.mxnationals.com.au
MXGP World Championship
Round: Six
Date: 1 May
Location: Orlyonok, Russia
Australian riders: Hunter Lawrence (MX2), Jed Beaton (MX2)
More information: www.mxgp.com
AMA Supercross Championship
Round: 16
Date: 28 April
Location: Salt Lake City
Australian riders: Chad Reed (450SX), Hayden Mellross (250SX)
More information: www.supercrosslive.com
EnduroGP World Championship
Round: Two
Date: 28-29 April
Location: Santiago de Compostela, Spain
Australian riders: Matthew Phillips
More information: www.endurogp.org