The month of May is here and so is the second round of the 2023 California ProKart Challenge. The Superkarts! USA regional series returns to the Buttonwillow Raceway Park to complete the back-to-back trips to start out this year’s championship program. The 19th season of the series began in March at the Buttonwillow, California facility and during this return, the drivers will run in the clockwise direction for the two-day Round Two event.