ROK Cup USA is set to carry the momentum off the successful Florida Winter Tour program over the opening three months of the season. The focus turns to the upcoming 2025 ROK Sonoma Karting Championship presented by ROK CUP Promotions, held at the Sonoma Raceway Karting Center in Sonoma, California. The regional kart racing series offers 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.

The 2025 program is a combination of two ‘Triple Crown’ championships. The Triple Crown 1 are races in April, May and June with the Triple Crown 2 events to be held in August, September, and October. Six different track layouts will be utilized around the Sonoma Raceway Karting Center for the six events that make up the two Triple Crown series. Saturday for each event features a full day of for all seven categories. Sunday follows a qualifying, heat race, Prefinal and Final format to crown the winner for each weekend.

Along with any ROK Sonoma Supplemental Rules, ROK Sonoma uses the ROK Cup USA Technical & Sporting Regulations and ROK Cup’s global engine specifications. The ROK Micro and ROK Mini provide the Cadet level categories. The ROK VLR platform is provided for Junior, Senior and Master levels. ROK Shifter and the regional-focused ROK Shifter Limited are the two six-speed categories.

Each ROK Sonoma Triple Crown features its own Prize Package for the three-round championships.

ROK Sonoma Triple Crown 1 Prize Package:

• Champion ROK Shifter Limited, & VLR Classes: 2025 Full ROK Vegas Ticket or one round of ROK Sonoma Triple 2 Full Entry, plus a set of practice tires, $100 “Vortex Voucher” & Vortex “Swag Pack”.
• Champion ROK Micro*, Mini, & Shifter: 2025 ROK Superfinal Ticket, Full ROK Vegas Ticket or one round of ROK Sonoma Triple 2 Full Entry, plus a set of practice tires, $100 “Vortex Voucher” & Vortex “Swag Pack”.
• 2^nd Place All ROK Classes: 2025 ROK Vegas Entry (less consumables) or one round Full Ticket for ROK Sonoma Triple Crown 2 Ticket & a set of practice tires.
• 3^rd Place ROK Classes: Single event 2025 ROK Sonoma Triple Crown 2 Full Ticket.

*ROK Micro Champion from Triple Crown 1 is eligible for a ROK Superfinal if the driver is Under 10. 

ROK Sonoma Triple Crown 2 Prize Package:

• To Be Announced.

Full Tickets include entry, race tires (2 sets maximum), 1 pail of Sunoco Supreme fuel, 1L Eni oil.

Drivers who win TWO classes at either Triple Crown are eligible for a Five Night Stay at the RIO for ROK Vegas or a full ROK Wild Card Ticket.

ROK Sonoma Karting Championship Triple Crown 1 Schedule

April 4-6: National Pro
May 2-4: Sprint Reverse
June 27-29: National

ROK Sonoma Karting Championship Triple Crown 2 Schedule

August 8-10: National Reverse
September 12-14: Sprint
October 3-5: National Pro Reverse

Head to ROKCupUSA.com to learn more about the ROK Sonoma Karting Championship and ROK Cup USA.

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