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 [...]

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 [...]