sentences:  The championship runs as a support class to the Superbike World Championship, which is similarly based on large production-based sports motorcycles.The championship, organized and promoted as its parent series by FGSport—renamed Infront Motor Sports in 2008—until 2012 and by Dorna from the 2013 season onwards, is sanctioned by the FIM.Supersport was introduced as a support class to the Superbike World Championship in 1990 as a European Championship.