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Next ProKart Challenge Event


PRE-ENTRY OPEN NOW!
Closes Tues, Aug 19 at 11:59 PM

Round 5 - SONOMA RACEWAY August 23-24, 2025
Sonoma Raceway Karting Center
29355 Arnold Dr,
Sonoma, CA 95476
sonomaraceway.com
Google Maps
There will be a Sunoco vendor pumping fuel.

SuperNationals 28


PRE-ENTRY OPEN NOW!!!

WAITLIST FAQ

Supernationals 28 November 12-16, 2025
Las Vegas Motor Speedway
7000 Las Vegas Blvd N
Las Vegas, NV 89115
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Event Bulletin

  • 8/11 3:30 PM - TENTATIVE SCHEDULE POSTED - We just published our Tentative Event Schedule. Due to the recent expansion of classes, we had to move KA100 Master to the morning group and adjust the lunch break as necessary. This also means that the morning group now has 7 classes in the rotation, giving you a little bit more time between sessions.
  • 8/11 9:15 AM - IMPORTANT NOTICE - Previously waitlisted X30 Junior and Pro Shifter entries must be paid by the end of the week or they will be cancelled.
  • 8/5 1:00 PM - SOLD OUT CLASSES - KA100 Senior, KA100 Master, Micro Swift, Mini Swift.
  • 8/1 1:20 PM - TEMP NUMBERS - If you have or can only pick a 1000 number in KA100 Senior, that is only a TEMPORARY number.  We will issue you a 900 number later on.
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 Important News

Champions Declared for 2019 California ProKart Challenge
Wednesday, 16 October 2019 14:07

Pro Shifter champion Billy Musgrave (Photo: DromoPhotos.com)

The 2019 edition of the California ProKart Challenge came to a close at the end of September, wrapping up an astonishing 15th season for the Superkarts! USA regional program. The season was made up of five events, including six rounds of racing toward the championship program for the 17 categories. The year began in Buttonwillow and was followed up by the first double-round weekend at CalSpeed. Trips to Monterey and Santa Maria began the second half of the season before completing the year at the 11th edition of the Streets of Lancaster Grand Prix. Those able to claim a championship or finish top-three in the standings will be honored at the California ProKart Challenge Awards Banquet on October 26.

For the sixth time in seven years, the Croc Promotion USA/Mad Old Nut Pro Shifter category will recognize Billy Musgrave as the series champion — a win streak carried over from 2018 with six wins last season. Musgrave continued that through much of the season, winning the first five rounds before placing second in his Streets of Lancaster Grand Prix title defense. The five victories in 2019 was good enough to give Musgrave his sixth series championship. Jake French, the 2019 SOLGP victor, ended the year in second, with Cody Hodgson in third.
Read more...
 
EKN Trackside: 2019 SKUSA Streets of Lancaster Grand Prix – Race Report
Wednesday, 02 October 2019 12:11

(Photo: DromoPhotos.com)

As they have for the past many years, Superkarts! USA put a cap on their flagship California ProKart Challenge season at the Streets of Lancaster Grand Prix this past weekend. The straight-forward yet challenging five-turn layout has always provided exciting racing, and the Lancaster community comes out each year to support the event and cheer on the drivers. The festival atmosphere is always buzzing on Saturday night, with a concert, a car show and countless food vendors. On track, Croc Promotions USA’s Jake French made his second trip to Lancaster a victorious one, as the Texan outgunned his teammate and defending race winner Billy Musgrave for the victory in the Pro Shifter class, while Connor Robles scored the biggest win of his young career, celebrating a Pro Shifter 2 triumph. In X30 Senior, four-time defending SKUSA Pro Tour champion Ryan Norberg of Rolison Performance Group topped the field in his SOLGP debut, while Oliver Calvo came out on top of the KA100 Senior class, which was the largest of the event at 28 entries.
Read more...
 
Win Streaks Continue in Santa Maria for California ProKart Challenge
Wednesday, 11 September 2019 17:51

Four-time SKUSA Pro Tour champion Ryan Norberg added another victory with the triumph in X30 Senior (Photo: DromoPhotos.com)

The fifth round of the California ProKart Challenge was contested on September 7-8 at the home of the Santa Maria Karting Association. The two-day event for the Superkarts! USA regional program took to the 7/10-mile ‘Nationals’ configuration. Despite some dust storms throughout the weekend, the weather was dry and sunny, allowing the 15 categories to continue their championship chases.
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California ProKart Challenge Gearing Up to Close Out 2019 Season
Friday, 30 August 2019 14:35

The fifth round of the Superkarts! USA California ProKart Challenge is set for September 7-8 at the Santa Maria Kart Track (Photo: DromoPhotos.com)

The California ProKart Challenge has the two final events of the 2019 season in sight for the month of September. The penultimate round for the Superkarts! USA regional program has teams and competitors heading to the Santa Maria Kart Track on September 7-8. The fifth round of the California PKC championship chase is set for the ‘Nationals Configuration’ of the Santa Maria, California facility.

The win streak for Billy Musgrave in the Croc Promotion USA/Mad Old Nut Pro Shifter category now sits at double digits. His victory at Round Four in Monterey puts his wins to 10 in a row, dating back to the start of the 2018 California PKC season. Texan Jake French has put the pressure on the last three rounds, stealing a quick time in qualifying bonus points back in Round Three to disrupt his perfect score streak on the year. Cody Hodgson is second ahead of French in the standings, holding three podium finishes on the year. Musgrave is also the championship leader in the Rolison Performance Group X30 Senior division. One win and two other podium finishes put him out front in the title chase ahead of Monterey winner and defending champion Joseph Daniele with a number of drivers fighting for third, led by Jacob Gulick.
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2019 IKF Sprint GrandNationals Set for Pat’s Acres Racing Complex
Monday, 19 August 2019 11:24

One of the most prestigious trophies in North American karting is the International Kart Federation’s ‘Duffy’. Originally known as the ‘Joe Karter’ award, the 12-inch solid bronze statuette was re-named to honor Frank ‘Duffy’ Livingstone – one of the original pioneers of karting. Each year after 1981, those drivers who were able to claim victory at the esteemed GrandNationals were awarded their own Duffy trophy. The iconic trophy is still a core goal for all members of the IKF, the first kart racing organization and sanctioning body in the United States. Those competing in the sprint karting program will have their next chance to claim a Duffy at the upcoming 2019 IKF Sprint GrandNationals at the Pat’s Acres Racing Complex in Canby, Oregon on September 20-22.

“We are excited to put the focus back into grassroots karting with the IKF,” stated Tom Kutscher, International Kart Federation President. “The IKF is the longest standing organization in our sport, having been created right in our backyard back in 1956. The combination of IKF, the Duffy and racing at the historic Pat’s Acres facility makes the Sprint GrandNationals a unique event for the 2019 season.”
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