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 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.