The ROK Sonoma Karting Championship presented by Sanzaru 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.
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ROK Sonoma Race #3 - Sebastiaan Mulder makes his mom proud this Mother's Day weekend with a win in his first Mini ROK race of the season. read more
ROK Sonoma Race #4 -The tough Sprint track configuration will test all drivers fitness and focus as the summer season begins.
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Enter a futuristic gladiatorial arena packed with rabid fans as you face off against networked opponents in a disc throwing duel.
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