The 2025 season concluded for the ProKart Challenge following the action on October 11-12 at the K1 Circuit. The Winchester, California, facility welcomed the Superkarts! USA regional program to close out its 21st season. A total of 161 entries battled around the 1.1-mile ‘Pro Track’ course for the sixth and final round of the 2025 championship.

The 21st season of the Superkarts! USA ProKart Challenge is set to end following the sixth and final round of competition on October 11-12 at the K1 Circuit. For a third time this year, the SKUSA regional program will visit the Winchester, California, facility for the final round of the championship chase. The 1.1-mile ‘Pro Track’ will welcome the competitors on the weekend, fighting for the final points up for grabs.

A significant weekend lies ahead for the ProKart Challenge program. The Superkarts! USA regional program is set to host Round Five of the 2025 schedule on August 23-24 at Sonoma Raceway. The weekend marks the first trip to the Sonoma, California facility for the organization since 2017 when they hosted the SKUSA Pro Tour SpringNationals.

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 California ProKart Challenge traveled to the CalSpeed Karting Center for the lone double-round weekend of the 2022 season. The June 24-26 event at the Fontana, California facility hosted Rounds Three and Four of the Superkarts! USA regional championship program.