The Micro ROK category, dedicated to drivers aged 6 to 9, uses the Micro ROK engine to deliver close, competitive racing and support young talents in their early development. Additionally, the engines are distributed by random draw and provided by the organizer, ensuring equal equipment and a fair competition environment.

Mini ROK is a category for drivers aged 8 to 12, powered by the Mini ROK engine, offering a competitive environment for developing racecraft and consistency, with engines provided by the organizer and distributed by random draw to ensure equal equipment for all competitors.

The Junior ROK category, for drivers aged 12 to 14, uses the ROK GP Junior engine and offers a more demanding level of competition as drivers progress in their racing careers.

The Senior ROK category, open to drivers aged 14 and over, features the ROK SVR engine and delivers the most competitive and high-performance racing in the championship.

The Promo category, for drivers aged 5 to 7, uses Honda engines and provides young drivers with a safe and enjoyable first step into karting. To maintain fairness, engines are supplied by the organizer and assigned randomly to all competitors.