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.

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.

The second half of the 2023 California ProKart Challenge was revised due to the arrival of Hurricane Hilary. The fourth stop of the Superkarts! USA regional series in August was scheduled to be a double-round weekend, hosting Rounds Four and Five. Due to the weather issues, Round Five was moved to the upcoming series finale weekend on September 22-24 at the Adams Motorsports Park in Riverside, California.

Two rounds of racing set for Superkarts! USA regional championship program at historic Adams Motorsports Park on August 18-20

The 2023 California ProKart Challenge returns to action on the July 8-9 weekend with a trip to the Santa Maria Karting Association facility. The third round of the Superkarts! USA regional program will be held at the Santa Maria, California facility. Following two events at the Buttonwillow Raceway Park to open up the year, the California PKC program reaches the midway point with the third event to continue the 19th championship season with a perfect sunny, breezy beach climate expected for Round Three.