Rotax Racing Club California Championship Series Round 4

The Rotax Racing Club California 2025 Championship Series is underway and limited spots remain for the final round. Operated by Formula KFX, this championship series is now an official qualifying event for the new Rotax Racing Club (RRC) International Finals. The winner of the California Championship Series will receive a free spot in the 2026 International Finals event in Belgium. Join us for Round 4 at Sonoma Raceway, located at 29355 Arnold Drive, Sonoma, CA 95476! We provide the karts, gas and tires; drivers bring their gear! Spectator wristbands are required: $20 for adults, $15 for youth (5–17), and free for kids 4 and under, which are available to purchase at the event. Drivers can register here: https://formulakfx.com/racing/championship