2017 Australian Supercross Championship Posted on July 31, 2017 (August 22, 2018) by Phil DETAILS The 2017 Australian Supercross Championship Series returns to Australia! Supercross is a condensed form of Motocross conducted in both indoor and outdoor stadiums. It is very spectacular and presents riders with a demanding physical and mental challenge. Supercross events at the highest level in Australia attract thousands of spectators. The 2017 Supercross season is set to raise eyebrows as they move across Australia battling for the 2017 Supercross Championship title. What are you waiting for? Secure your tickets now!