SuperNats XXVIII

201DAYS

2026 Winter Series

TBA

2025 Pro Tour

28DAYS

SKUSA Mexico

21DAYS

2025 PKC

57DAYS

2025 TSRS

35DAYS

Next ProKart Challenge Event


PRE-ENTRY OPEN SOON

 

Round 4 - K1 Circuit June 21-22, 2025
K1 Circuit
32240 Grand Ave
Winchester, CA 92596
k1circuit.com
Google Maps
There will be a Sunoco vendor pumping fuel.
There will be no camping at this facility for the foreseeable future.

California ProKart Challenge

2018 Membership and Kart Number Changes
Sunday, 26 November 2017 11:45
With growth comes a few challenges and difficult choices. SuperKarts! USA hasn’t been a stranger to either of these things during the past few seasons. After several lengthy discussions, we’ve decided on the following changes to better serve our growing customer base and expanding promotional efforts.

Calendar-Year Memberships
Starting in 2018, all SKUSA memberships will be good for the calendar year only. This means January 1st through December 31st instead of an expiration date 12 months after purchase. In order to simplify this transition, we will do the following.
  • If your current expiration date is between Jan 1 and June 30, 2018, your 2018 Membership Renewal will only be $50.
  • If your current expiration date is between July 1 and December 31, 2018, your 2018 Membership Renewal will be free.
In order to take advantage of this offer, you MUST submit an online renewal during the renewal periods described below.
  • The transitional renewal period for members will be December 1st through January 31th.
  • The transitional late renewal period will be February 1st through February 15th. Late renewals will cost $125.
  • Renewals after February 15th will be treated as new memberships.
  • New memberships will be $150.
The standard renewal rate for 2019 Memberships will then be $100, and the standard renewal period will then be December 1st through Jan 15th and the standard late renewal period will be January 16th through January 31st.

CIK Kart Numbers
Starting in 2018, SKUSA will be standardizing to CIK number specifications. This means solid yellow number panels and solid black numbers for all classes, 1 digit for champions, and 2 and 3 digits depending on your class. No more letter designators. Please refer to SKUSA Rule 20.2.2 for the dimensional specifics. Our use of the video marshalling system is the main catalyst for this change, but we’d be remiss if we didn’t point out the difficulty of our track officials reading some of our color combinations and your custom number panels.

IAME Classes Shifter Classes
Micro Swift - 10-99
Mini Swift - 100-299 (200-299 reserved for overflow)
X30 Junior - 700-799
X30 Senior - 300-499 (400-499 reserved for overflow)
X30 Master - 500-599
S1 - 100-199
S2 - 200-299
S3 - 300-399
S4 - 400-499
S5 - 500-599
S4SM - 600-699
KZ (SuperNats) - 4-99

Reserved Numbers
I know what everyone is now thinking, and there is no easy way around it. We will no longer be reserving race numbers with your memberships. Each class will be assigned a block of numbers and when you enter your first race of any series you will pick from any available numbers in that pool. That will then be your “reserved” number for the rest of that series. Thankfully, MotorsportReg allows you to pick numbers in real time. You are likely to have a different number in the Winter Series, PKC and ProTour, so first come, first serve.
 
California ProKart Challenge To Crown 2017 Champions
Monday, 23 October 2017 11:48

S1 Pro Stock Honda champion Billy Musgrave (Photo: DromoPhotos.com)

The 2017 California ProKart Challenge wrapped up the season at the largest finale in series history. A record total of 193 entries contested the two-day Streets of Lancaster Grand Prix on September 30-October 1 to complete the California PKC six race events, as the 11 different series champions were decided. The flagship Superkarts! USA regional program will now honor the title winners and the entire championship podium at the 2017 California ProKart Challenge Championship Awards Banquet, set for October 28 at the BeX Bar & Grill in Lancaster, California.

For a fourth time in his career, Billy Musgrave will be receiving the #1 trophy for earning the most points in the Vemme Kart S1 Pro Stock Honda division. Musgrave was able to outlast S1 rookie Hunter Pickett and Matias Podboj to earn his fourth championship in five years, thanks to three wins and three runner-up finishes. Pickett came away with his first S1 victory along with Podboj, while Nic LeDuc stole the finale round at the Streets of Lancaster. Sixteen-year-old Nicky Hays was able to defend his crown in the Formula Works/CompKart X30 Senior championship race. Hays won the opening round in Buttonwillow, adding two more podium finishes to secure the championship leading up to the finale in Lancaster. Second in the standings is Michael Avansino, recording his best finish in the championship and earning his first career CPKC victory during the CalSpeed weekend. Andrick Zeen finished the season in third, highlighted by five top-five results.
Read more...
 
Last Call to Purchase PKC Banquet Tickets
Monday, 23 October 2017 09:17
For complete details and to purchase tickets, please see the Awards Banquet Page.

TODAY/Monday, October 23 at 12pm is the DEADLINE for all ticket purchases! 

All PKC supporters are welcome! Tickets are just $25 for adults and $15 for kids 4-10.

ALL 2017 top 3 PKC champs will be recognized! Everyone in attendance is eligible for exciting RAFFLE PRIZES.

Who will be the surprise TEAM OF THE YEAR FOR 2017?
 
EKN Trackside: 2017 Streets of Lancaster Grand Prix
Monday, 02 October 2017 00:00

Nic LeDuc celebrates his Streets of Lancaster victory (Photo: EKN)

The 2017 Streets of Lancaster Grand Prix brought the Superkarts! USA to the city streets once again. The final round of the California ProKart Challenge is held at the Lancaster, California racing festival contested over two-days. It was record numbers for the event overall, welcoming 193 entries on the weekend with drivers coming from New Zealand, Canada and throughout the United States. Kiwi and two-time winner Matt Hamilton was plastered all over the city on the event’s posters, podium and advertising material. Next year, they will see the Cambrian Go-Karts Sodi Kart of Nic LeDuc.

The S1 Pro/S2 Semi-Pro Stock Honda division was one of two headline categories, contesting a full day of action. Billy Musgrave (Aluminos) took the top honors in qualifying, edging out Hamilton (Aluminos) by 74 thousandths. Hamilton got the edge in the opening heat, with LeDuc following through to second. The second heat race, LeDuc came out the winner with Hamilton and Musgrave trailing. That was the winning move of the event, as the group contested their main event under the lights Saturday evening. LeDuc was able to grab the holeshot from the pole position and lead the entire 20-lap distance for his first SOLGP victory. Musgrave finished second with Hamilton rounding out the podium. Brian Keck (CRG) drove to fourth with veteran Ron White (CRG) holding off a pack of drivers for fifth. Read full story on eKartingNews.com
 
Streets of Lancaster Grand Prix to Host California ProKart Challenge
Friday, 22 September 2017 14:10

The Streets of Lancaster Grand Prix is set for September 30-October 1, welcoming racers from all over North America and the world (Photo: DromoPhotos.com)

The 2017 season is reaching the final stretch as the calendar readies for a turn over to October. That signals the return to the city streets for the California ProKart Challenge as the annual Streets of Lancaster Grand Prix hosts the final round of the 2017 championship. Since 2012, the city of Lancaster has welcomed the Superkarts! USA flagship program and its many racers from around the world to take part in what has now become the largest street race in western North America.

The southern California city of Lancaster hosts a three-day festival – September 29-October 1 – centered around the street race, providing charity and local celebrities a chance to get behind the wheel of concession karts on the very same circuit hundreds of karters will compete on. The California PKC competitors contest Round Six of the championship program over a special Saturday/Sunday format for the majority of the categories. New last year, the S1/S2 and X30 Senior main events were moved to Saturday night under the lights, contested between the charity and celebrity main events, in front of large crowds surrounding the BLVD district.
Read more...
 


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