Return to Buttonwillow for second event of 2022 California Prokart Challenge Return to Buttonwillow for second event of 2022 California Prokart Challenge Reverse direction for Round Two of Superkarts! USA regional program in Buttonwillow Bas Kaligis / Saturday, May 7, 2022 0 939 Article rating: No rating The racing season is underway for the California ProKart Challenge with a quick turnaround to host the second event of the 2022 season. On the May 14-15 weekend, the Superkarts! USA regional series returns to the Buttonwillow Raceway Park, site of the opening round last month. The Buttonwillow, California facility will welcome back the racers, this time taking to the 7/10-mile circuit in the clockwise direction. Portions of the $70,000 prize package for the season were handed out last month at the opener, with more to be presented at the popular podium ceremony following the Round Two action as drivers push forward in their championship chases. Read more