Two decades of racing completed in September for the California ProKart Challenge. The Superkarts! USA regional program hosted five events, featuring six rounds of competition throughout southern California. It was another successful year, experiencing tight racing in every category, while the organization awarded over $50,000 in prizes over the course of the season, including weekend and championship awards.

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 second event of the 2023 California ProKart Challenge saw teams and drivers return to the Buttonwillow Raceway Park over the May 6-7 weekend. Round Two of the Superkarts! USA regional program welcomed nearly 100 karters competing in seven categories around the 7/10-mile circuit in the clockwise direction. Perfect racing weather provided an amazing backdrop for the racing action over the two days.

The California ProKart Challenge completed the second round of the 2022 season over the May 14-15 weekend at the Buttonwillow Raceway Park. It was the second straight event at the central California facility, with the opening event contested there in April. This time it would be in the clockwise direction around the 7/10-mile circuit. Another chunk of the $70,000 prize package for this season was awarded following the two days of action at Buttonwillow – with all but two drivers earning their first wins of the series this year.