The 20th season of the California ProKart Challenge will continue on the April 20-21 weekend with a return to the Buttonwillow Raceway Park. The Superkarts! USA flagship regional series kicked off the 2024 season in March with its first visit to the Buttonwillow, California facility and will make another trip for the second round of the championship. This time, competitors will contest the 11-turn, 7/10-mile circuit in the clockwise direction.

The second half of the 2023 California ProKart Challenge was revised due to the arrival of Hurricane Hilary. The fourth stop of the Superkarts! USA regional series in August was scheduled to be a double-round weekend, hosting Rounds Four and Five. Due to the weather issues, Round Five was moved to the upcoming series finale weekend on September 22-24 at the Adams Motorsports Park in Riverside, California.

The second event of the 2023 California ProKart Challenge saw teams and drivers return to the Buttonwillow Raceway Park over the May 6-7 weekend. Round Two of the Superkarts! USA regional program welcomed nearly 100 karters competing in seven categories around the 7/10-mile circuit in the clockwise direction. Perfect racing weather provided an amazing backdrop for the racing action over the two days.

The 2023 California ProKart Challenge will begin on the March 11-12 weekend at Buttonwillow Raceway Park. The 19th season of the Superkarts! USA regional program visits the California facility for the first round of the six-round championship series. The race will be the first major event within the state on the season, with big numbers anticipated for the two-day event.

The California ProKart Challenge hosted the penultimate round of the 2021 season on the September 11-12 weekend at the Willow Springs International Raceway. The Rosamond, California facility has been the site of many Superkarts! USA regional program events in the past, including both the famed Streets of Willow course and the karting circuit. The two-day event for Round Five of the 2021 championship program was held on the nine-turn, 6/10-mile kart track in the counter-clockwise direction.

National program to offer a staggering $162,000 prize purse to be awarded in 2019. The 2019 season marks the 10th year of the sport’s only national series – the Superkarts! USA Pro Tour. Initially launched in April of 2010, the SKUSA Pro Tour has grown throughout the previous nine seasons of competition, creating lasting memories, establishing current stars in the sport, developing drivers for the professional ranks, and all while remaining the premier championship series in North America.

Organization lowers age limit for Junior and Senior IAME categories.