The first event of the 2025 ProKart Challenge program was held on the February 28-March 2 weekend at the new K1 Circuit. The Winchester, California facility welcomed the Superkarts! USA regional program for a third time since opening its doors in August 2024. Rounds One and Two of the 2025 championship program kicked off with perfect racing weather to begin the 21st season of the series.

The sixth and final round of the Superkarts! USA California ProKart Challenge was held over the September 28-29 weekend, returning to the K1 Circuit. The Winchester, California facility sparked up the entry total once again, surpassing the 150-mark for 11 classes in competition. Perfect weather greeted the teams and drivers completing the 20th season for the championship program.

Debut event at anticipated facility welcomes big numbers in double weekend for Superkarts! USA regional program

 

The second event of the 2024 California ProKart Challenge was contested on the April 20-21 weekend with the series returning to the Buttonwillow Raceway Park. Running the Buttonwillow, California circuit in the reverse direction from the opening round event in March, the Superkarts! USA regional program hosted Round Two of the six-round championship program for the eight categories competing. This time around featured a handful of repeat winners while others stood on the podium for the first time in 2024.

The 2023 California ProKart Challenge came to a close on the September 22-24 weekend with the final two rounds contested at the Adams Motorsports Park in Riverside, CA. This was a revised series finale for the 19th championship season when Hurricane Hilary forced Round Five in August to be combined with Round Six. The new three-day weekend avoided weather issues, with perfect racing conditions for the drivers wrapping up the 2023 championship program.