California Prokart Challenge wraps up 2024 season at K1 Circuit California Prokart Challenge wraps up 2024 season at K1 Circuit Bas Kaligis / Monday, October 7, 2024 0 242 Article rating: No rating 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. Read more