SuperNats XXV

2023 TBA

2024 Winter Series

TBA

2023 Pro Tour

9DAYS

SKUSA Mexico

30DAYS

2023 PKC

45DAYS

2023 TSRS

2DAYS

Next ProKart Challenge Event


PRE-REG OPEN SOON


Several teams/shops will
have Aspen fuel and Elf oil.

Round 2 - Buttonwillow (Reverse) May 6-7, 2023
Buttonwillow Raceway Park
24551 Lerdo Highway
Buttonwillow, CA 93206
(661) 764-5333
buttonwillowraceway.com
Google Maps
Please contact the facility for Kart Track hours.  No Friday practice.

California ProKart Challenge

California ProKart Challenge Opens 2022 at Buttonwillow
Friday, 29 April 2022 15:57

(Photo: Spencer Russell - photosbysmr)

The 2022 season for the California ProKart Challenge program began over the April 23-24 weekend at the Buttonwillow Raceway Park. Round 1 for the Superkarts! USA regional series featured some new faces and picture-perfect weather at the Buttonwillow, California facility. Practice and qualifying took place on Saturday, with the Prefinal and Final races conducted on Sunday. Karters were able to begin the run toward the year-end championship and take home a portion of the $70,000 prize package that will be handed out over the course of the season. The popular podium ceremony and raffles concluded the opening round with even more product and prizes doled out to the competitors on the weekend.
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California ProKart Challenge Readies for 18th Season
Saturday, 16 April 2022 11:48

The California ProKart Challenge is set to get the green flag on the April 23-24 weekend at the
Buttonwillow Raceway Park (Photo: Mad Moose Media)

The 2022 California ProKart Challenge is set to begin on the April 23-24 weekend at the Buttonwillow Raceway Park. The 18th season of the program kicks off at the Buttonwillow, California facility, welcoming the Superkarts! USA regional competitors for the opening round of the six-round championship.

The Buttonwillow Raceway Park has been a consistent destination for the California ProKart Challenge, largely due to its central location between NorCal and SoCal. The opening round this year is slated for the national circuit in the counter-clockwise direction, including the popular ‘Spa’ and ‘Le Mans’ section that produce exciting finishes.

This year’s series format will again be a ‘Best 5 of 6 races’, with competitors having the ability to drop one round towards their year-end points total. Following the upcoming season opener, the California ProKart Challenge returns to Buttonwillow on May 14-15 for Round Two in the ‘clockwise’ direction. June welcomes the lone ‘double-header’ weekend, with two rounds contested over the June 24-26 weekend at the CalSpeed Karting facility. The series will take off July and August before visiting the historic Santa Maria Karting Association facility on September 10-11 for Round Five. The final round is a return to CalSpeed on October 1-2. The single-round weekends will feature a full day of practice plus qualifying on Saturday, with Prefinal and Final action contested on Sunday.
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2021 Season Concludes for California ProKart Challenge
Friday, 08 October 2021 15:10

(Photo: Spencer Russell - PhotosBySMR1)

The 2021 season for the California ProKart Challenge came to a close over the October 2-3 weekend with the sixth and final round of the year held at the CalSpeed Karting facility. It was the second visit to the Fontana, California facility in 2021, previously hosting the double-header weekend in June. For the series finale, the near 100 Superkarts! USA regional entries took to the ‘Classico’ layout to decide this year’s series champions.
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2021 California ProKart Challenge Finale Set for CalSpeed
Friday, 24 September 2021 10:41

The 2021 California ProKart Challenge is set to close out the season at CalSpeed Karting on October 2-3 (Photo: Spencer Russell - PhotosBySMR)

The 2021 season for the California ProKart Challenge is set to close out next weekend (October 2-3) at the CalSpeed Karting facility. The Fontana, California circuit outside the Auto Club Speedway is hosting the sixth and final round of the championship chase. The program contested a double-round weekend here back in June, with this single-round event set to battle around the ‘Classico’ layout in the counter-clockwise direction. Action in Fontana will be the final step of the 2021 championship program, with drivers taking the best five of six rounds toward the final standings.

Billy Musgrave is setting up for a run at an eighth series championship in the Pro Shifter division presented by Positive Beverage. Musgrave has four wins in five rounds, leading the championship by 143 points over Jacob Yesnick, with Liam Jones in third. Three drivers enter the series finale separated by 66 points in the Nash Motorsportz KA100 Senior standings. Blake Nash holds the lead thanks to his two victories on the season, leading Oliver Calvo and Round Two victor Dante Yu.
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2021 California ProKart Challenge Battles Continued at Willow Springs
Friday, 17 September 2021 13:17

(Photo: Spencer Russell - PhotosBySMR)

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.

Blake Nash put himself back into the championship chase with his first victory in the Nash Motorsportz KA100 Senior class since the season opener. His performance on the weekend was a near perfect two days that began with a blitzing fast lap in qualifying. Nash laid down a 45.855-second lap to clear the 28-driver field by three tenths of a second. The following day, Nash led all 14 laps in the Prefinal to a 1.5-second advantage. The 24-lap Final began with Oliver Calvo getting the jump on Nash, leading the opening eight laps. Nash took over the position on lap nine and showed the way the remainder of the race for the victory. Calvo finished second, helping his efforts toward the series championship. Aiden Kempf joined them on the podium in third with Colby Dubato and Ayden Aquino completing the top-five. Championship leader Dante Yu was seventh, setting up for an exciting final round.
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