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.

The opening weekend for the 2023 California ProKart Challenge took place over March 11-12 at the Buttonwillow Raceway Park. Nearly 100 competitors participated on the weekend at the California facility with two full days of action for the first event of the six-round championship program. The 7/10-mile circuit in the counter-clockwise direction welcomed nine drivers earning their first victories on the season at the Superkarts! USA regional program.

The 2021 season for the California ProKart Challenge came to a close over the October 2-3 weekend with the sixth and final round of the year held at the CalSpeed Karting facility. It was the second visit to the Fontana, California facility in 2021, previously hosting the double-header weekend in June. For the series finale, the near 100 Superkarts! USA regional entries took to the ‘Classico’ layout to decide this year’s series champions.
 

The California ProKart Challenge hosted the penultimate round of the 2021 season on the September 11-12 weekend at the Willow Springs International Raceway. The Rosamond, California facility has been the site of many Superkarts! USA regional program events in the past, including both the famed Streets of Willow course and the karting circuit. The two-day event for Round Five of the 2021 championship program was held on the nine-turn, 6/10-mile kart track in the counter-clockwise direction.