Prokart Challenge set for 2025 season finale at K1 Circuit Prokart Challenge set for 2025 season finale at K1 Circuit Superkarts! USA regional program to host sixth and final round of championship Bas Kaligis / Tuesday, October 7, 2025 0 121 Article rating: No rating 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. Read more
ProKart Challenge to host round five at Sonoma Raceway ProKart Challenge to host round five at Sonoma Raceway Superkarts! USA returning to northern California for first time since 2017 with regional program Bas Kaligis / Thursday, August 14, 2025 0 7214 Article rating: No rating 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. Read more