sentences:  Supersport racing has also been one of the most popular classes of national racing for many years.Several riders who were successful in World Supersport have moved on to high-level competitions, notably, Cal Crutchlow, Chaz Davies, and Chris Vermeulen, though others such as Fabien Foret and Kenan Sofuoğlu have spent several years in this championship.Competition in the championship is typically fierce, and season domination by a single competitor is unusual.