The ROK Sonoma Karting Championship presented by ROK CUP Promotions is a set of competitive regional kart racing series offering a comprehensive set of classes, strong competition, organized events, and a relaxed atmosphere. At the center of the ROK Sonoma Karting Championships is ROK engine platform, with full support from ROK Cup USA and Vortex/OTK. All races are contested within Northern California (San Francisco Bay Area) at Sonoma Raceway’s Karting Center.
The ROK Sonoma Cup is composed of a subset of ROK classes, collectively referred to as the Northern California ROK Cup. The SKC/NCRC is one of the largest local ROK Cup series in the United States and offers racers the ability to participate in the excellent ROK ladder system as well as national and international competition. The RSC is guided by the Sanzaru Karting Championships Supplemental Rules as well as the National and International ROK Cup rulebooks.
