The Adelaide Mountain Bike Club (AMBC) was formed in Adelaide, South Australia, in 1989 to promote mountain biking (MTB) as a sport and leisure activity. Over the years, the club has grown to become the largest providers of cross country (XC) MTB activities in this state. The club runs three annual series of events; Summer Series, Enduro Series, and XC Olympic (XCO) Series, concluding the race year with the State Championships Race. The majority of the events are held in the Adelaide Hills and surroundings, showcasing some of the states best singletrack.