Supercross is a condensed form of Motocross that features both indoor and outdoor dirt-bike racing. The major difference in relation to Motocross, in that it includes steep jumps and challenging obstacles. The sport is very popular in Australia and the United States, in particular. Its designed as a spectator sport and has to be seen in the flesh to be fully appreciated. The 2018 Australian Supercross season is likely to deliver another pulsating Championship battle between the competitors.