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Next ProKart Challenge Event

PRE-ENTRY OPEN NOW
Closes Tues, Oct 7 at 11:59 PM PDT

K1 Oct 3-5 - PRE-ENTRY OPEN NOW
Schedule // Pit Spots

Round 6 - K1 Circuit October 11-12, 2025
K1 Circuit
32240 Grand Ave
Winchester, CA 92596
k1circuit.com
Google Maps
There will be a Sunoco vendor pumping fuel.
There is no camping at this facility.

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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PACKAGES & SHIPMENTS

Event Bulletin

  • 8/20 1:00 PM - SOLD OUT CLASSES - Pro X30 is now sold out and waitlisting, joining KA100 Senior, KA100 Master, Micro and Mini Swift.
  • 8/13 12:10 PM - CAPACITY UPDATE - Pro X30 is almost sold out!  KA100 Junior and Master Shifter are not far behind.
  • 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.
  • 8/1 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

EKN Trackside: 2021 Superkarts! USA Pro Tour SummerNationals – Preview
Thursday, 12 August 2021 07:37

Consistent results have Branyon Tiner leading the X30 Senior championship standings heading into the SummerNationals (Photo: EKN)

The 12th season of the Superkarts! USA Pro Tour is set to conclude this weekend (August 13-15) with the 11th running of the SKUSA SummerNationals at the New Castle Motorsports Park. A season high of 245 entries over the nine categories will converge on the New Castle, Indiana facility – site of last year’s SKUSA Summer Festival with two weekends of racing featuring six rounds of competition.

New Castle has been the home of the SummerNationals since 2015, with the SKUSA Pro Tour champions decided from 2017 to the present after the creation of the WinterNationals. The ‘SKUSA Super Mile’ course is the layout for this weekend, similar to what was used the first weekend in 2020, featuring the wild ‘ski jump’ section mixing the ‘national’ layout with the extension area. Weather will be an issue with humidity expected to be high, however, rain is not forecasted for the days of racing. Read full story on eKartingNews.com
 
Enjoyable Weekend in Santa Maria for California ProKart Challenge
Thursday, 22 July 2021 12:17

Aiden Kempf was able to outrun the KA100 Senior field in wet and dry conditions for the victory
(Photo: Spencer Russell - PhotosBySMR)

The Superkarts! USA California ProKart Challenge kicked off the second half of the season at the Santa Maria Karting Association facility last weekend. The Santa Maria, California facility hosted Round Four of the six-round championship program on the July 17-18 weekend, where coastal California weather greeted the competitors of the nine categories and a brief rain shower made things extra interesting for one category during the main events. The championships in each of the divisions are taking shape, with drivers picking up key victories toward their goal of winning a California ProKart Challenge championship.

One of the most exciting main events on the weekend was the Nash Motorsportz KA100 Senior class. Welcoming 29 drivers as the largest class on the weekend, competitors had to also battle a brief change in the weather conditions. Ethan Lampe began the event with fast time in qualifying, posting a 49.598-lap to edge out four other drivers by a mere four hundredths of a second. Among those was Logan Toke finishing in the second spot after the timed session. Lampe was out of the race on the opening circuit of the 14-lap Prefinal, allowing Toke to control much of the race. Aiden Kempf reached the line first at the end. However, a three-second penalty for contact dropped him to second, moving Toke to the pole position for the main event. As the green flag waved with all drivers on dry Evinco tires, rain suddenly covered the track. It made for some exciting opening laps before the track eventually dried up and lap times fell to standard pace. Out front, Kempf controlled the field in the wet and the dry, leading all 24 laps for the victory to become the fourth different winner in four rounds. Toke was able to fight back to second after slipping down the order early in the race. Hard charger was top qualifier Lampe, coming from 28th to third. Fast lap of the race went to Kyriakos Sioukas in fourth, with Round Two winner and championship leader Dante Yu finishing fifth.
Read more...
 
Second Half of 2021 California ProKart Challenge Begins in Santa Maria
Wednesday, 07 July 2021 16:14

The California ProKart Challenge travels to the Santa Maria Karting Association facility on the July 17-18 weekend (Photo: DromoPhotos.com)

The second half of the 2021 California ProKart Challenge is on the horizon, beginning on the July 17-18 weekend at the Santa Maria Karting Association facility amidst an attractive west coast, cool and breezy weather forecast. Round Four of the 2021 championship chase will take place at the Santa Maria, California circuit with the new standard two-day race format for the Superkarts! USA regional program. Two events and three rounds of racing have been completed thus far into the season, with an exciting weekend planned at the SMKA ‘K’ layout to further shape those title chases.

It all began in April, with the opening round contested at the Buttonwillow Raceway Park before the series hosted its double-header weekend at CalSpeed Karting during the month of June. The lucrative $70,000 purse – including 2021 SKUSA SuperNationals 24 tickets, entries to the 2022 California ProKart Challenge program and year-end prizes provided by IAME USA West and Evinco/MG Tires – await those who continue to battle for supremacy at the California ProKart Challenge.
Read more...
 
California ProKart Challenge Double Dips in Fontana
Thursday, 24 June 2021 17:24

(Photo: Spencer Russell - photosbysmr)

A full weekend of racing was conducted on June 18-20 as the California ProKart Challenge hosted a double-round event at the CalSpeed Karting facility. Rounds Two and Three of the 2021 Superkarts! USA regional program were conducted at the Fontana, California facility on Saturday and Sunday following a full day of practice on Friday, welcoming over 100 drivers. Four drivers were able to leave the weekend with two victories each in their respective categories.

Jesus Vasquez Jr. dominated the West Coast Motorsports KA100 Junior division both days, earning a perfect score each round. Vasquez cleared the 19-driver field in qualifying on Saturday before leading all laps of the Prefinal. Vasquez then led all 22 laps while posting quick time in the Final for a 13-second advantage toward victory. The fight was for second, with Logan Ainsworth earning the position over G3 Argyros. Christian Cameron and Dane Idelson completed the top-five. It was a duplicate performance on Sunday for Vasquez, never relinquishing the P1 position throughout the day with wire-to-wire wins in the Prefinal and Final. Argyros improved to second with Caden Chrisman in third. Idelson was fourth with Cameron rounding out the top-five.
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2021 California ProKart Challenge Resumes at CalSpeed Karting
Friday, 11 June 2021 13:06

The California ProKart Challenge returns to the CalSpeed Karting facility on June 18-20 for a double-header weekend to continue the 2021 season (Photo: DromoPhotos.com)

The 2021 California ProKart Challenge program returns trackside next weekend at the CalSpeed Karting facility. The Fontana, California circuit was left off the 2020 schedule due to COVID-19 restrictions, and comes back this season with the only double-header weekend for the year. Superkarts! USA regional competitors will be on-track for three days, including a full day of practice on Friday, June 18 and two separate rounds of racing on Saturday, June 19 and Sunday, June 20.

The season began back in April with the opening round held at the Buttonwillow Raceway Park, as 13 classes were offered in the title chase for a 2021 championship. 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. This means drivers who were not able to race at the series opener can still compete for a spot on the year-end championship podium, or if facing other challenges can still be in the title hunt even if they cannot race both days at CalSpeed.
Read more...
 


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