Californian stop abandoned amid coronavirus outbreak.
Fifth and sixth rounds in New South Wales to take place at a later date.
World championship to recommence in Russia this June.
Governing body sets mid-April deadline before making final decision.
Alternative date not an option for world championship organisers.
Series organisers release statement as round one looms.
Postponement not considered by event organisers.
Yamaha pilot winds up in P3 at the third round.
KTM Enduro Racing Team entry runner-up at Dungog.
E2 contender secures seventh in return from injury.
French and Indonesian rounds moved the later in the year.
Reigning MXD champion already racing Husqvarna machinery in Western Australia.
Purvis clinches MX2 championship at season-finale.
MX Nationals, AORC and A4DE races to be confirmed in the coming weeks.
Factory Yamaha pilot promoted to top of the E1 standings with Saturday win.
Wet conditions deemed unsafe to continue racing on Sunday.
Mixed conditions make for an interesting third round in New South Wales
Upcoming five rounds cancelled as a result of COVID-19 outbreak.
Factory Husqvarna rider hopeful of returning for Pro Motocross opener.
Australian championship hopeful to commence at Newry in May.
World championship experiences further changes due to coronavirus.
Coronavirus makes further impact on Monster Energy Supercross series.
13th round of the Supercross series to be rescheduled
Tierney and Ellis to contest the MX1 and MX2 categories respectively.
Updated timeslot pushed towards the end of the year.
New South Welshman to contest MXD category in this year's MX Nationals.
AORC regular to contest MX2 category as he takes on double-duties.
Australian salvages 12th overall at Valkenswaard.
Rescheduled date for the third round still to be announced.
Red Bull KTM rider earns victory on countback in the Netherlands.