Image: Jeff Crow.

Motorcycling Australia (MA) has officially released 2015 Australian championship calendar.

Featuring MX Nationals, ASX, AJMX, AORC, Enduro-X, dirt track, speedway, ASBK and more, it is available for download by clicking here.

Notable dates in the 2015 calendar include a feast of international meetings, the first being the Phillip Island International Classic in January and a World Superbike round a month later, which will also kick off the first of a five-round ASBK series.

October is set for a massive fortnight of two-wheel action with MotoGP on 15-18 October and the return of the Speedway Grand Prix just one week later at Etihad Stadium on 24 October.

Included in the calendar are also Level 4 Key Official Training dates for 2015.