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Next SKUSA Pro Tour Event


Late Registraton starts March 24
$250 Late/Walk-Up Fee 

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PRO TOUR WINTERNATS - RNDS 1&2 March 27-29, 2026
Musselman Honda Circuit
11800 S Harrison Rd
Tucson, AZ 85747
(520) 245-5278
mhcircuit.com / Google Maps
No Weds practice. Unofficial Thursday practice run by SKUSA.
Do not ship packages to the track, ship to your hotel or hold for pickup with carrier.

Next ProKart Challenge Event

PRE-ENTRY OPENS APRIL 3

PKC Rounds 1/2 - K1 Circuit April 24-26, 2026
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.
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 Important News

EKN Trackside: Superkarts! USA SuperNationals 28 – Saturday Report
Sunday, 16 November 2025 00:00

Viktor Gustafsson will start from the pole position in Pro Shifter (Photo: EKN)

The final two days of the Superkarts! USA SuperNationals 28 will go down in history as one of the most unique events over its span of decades. Saturday outside the Las Vegas Motor Speedway brought rain weather into the mix following the morning group final round of heat races, beginning with the Last Chance Qualifiers. Three heat races in the afternoon grouping of classes were conducted before a red flag in the opening heat for Pro X30 forced a stoppage in racing, and eventually a postponement of the final four runs including that class and Pro Shifter. SuperSunday will feature, for the first time, four different heat races and their Last Chance Qualifiers before going into the main events to decide this year’s SuperNationals winners on Sunday. Read full story on eKartingNews.com
 
EKN Trackside: Superkarts! USA SuperNationals 28 – Friday Report
Saturday, 15 November 2025 10:18

Senna Van Walstijn had one heat race win taken away while scoring the second win on Friday in Pro Shifter (Photo: EKN)

Racing action began at the Superkarts! USA SuperNationals 28 outside the Las Vegas Motor Speedway. The roughly 7/10-mile temporary circuit was tested today as the first two rounds of heat races were contested for the nine categories competing, featuring nearly 570 entries. Rain overnight left the track a bit damp for morning warm-up before racing began. Sun hit the area for some time before clouds rolled over for overcast skies, however, temperatures remain in the comfortable range heading into the night races for the afternoon group of categories. The racing was a predicted with pack racing throughout the fields, however, an aggressive tone was set from the beginning and last until the final checkered flag near 7pm. Read full story on eKartingNews.com
 
EKN Trackside: Superkarts! USA SuperNationals 28 – Thursday Report
Saturday, 15 November 2025 10:17

A second straight year for Senna Van Waltsijn setting fast time in Pro Shifter qualifying (Photo: On Track Promotions - otp.ca)

The grids are set for the three rounds of heat races at Superkarts! USA SuperNationals 28 following Thursday’s action of two rounds of practice and qualifying sessions for the nine categories outside the Las Vegas Motor Speedway. A perfect clear, sunny day in Las Vegas saw the 570 entries complete the preparation toward the racing action that begins on Friday. Each class has its heat race grids set with the top qualifiers decided in the timed session for the morning group and afternoon group of categories. 2025 FIA Karting KZ World Champion highlighted the day with his second straight honor at the SuperNationals. Read full story on eKartingNews.com
 
EKN Exclusive: Superkarts! USA SuperNationals 28 – Preview Series – Pro Shifter
Sunday, 09 November 2025 15:41

It’s the big one. The race everyone in the paddock will be watching from the stands and along the fences on SuperSunday. What began as the S1 division where Alex Barron, Darren Elliott, Memo Gidley, and Scott Speed claimed the first four victories morphed into the Super Pro division. By 2007, the class grabbed international attention with the victory by Italian Marco Ardigo, bringing new winners in Jonathan Thonon, Bas Lammers, Anthony Abbasse, and Paolo de Conto. A total of 10 different countries has been represented on the top step of the podium in the headline shifterkart division at the SKUSA SuperNationals over the past 27 editions.

The dramatic finish to SuperNationals 27 saw Romanian Daniel Vasile (Italkart Factory Racing) earn his first SuperNationals triumph, becoming the 19th different winner over the 27-year span. Vasile will make his third start at the SuperNationals next week, seeking to become the third driver to earn back-to-back victories in the category. Vasile was 11th in the FIA Karting World Championships this year. Read full story on eKartingNews.com
 
EKN Exclusive: Superkarts! USA SuperNationals 28 – Preview Series – Pro X30
Sunday, 09 November 2025 15:40

Each and every SuperNationals since 2003, the TaG Senior division has been one of the most dramatic. From the Toby Scheckter decision in ’04, to the photo finish in 2010 with Andre Nicastro and David Sera, each and every year has been unpredictable. The category, all the way up to today with the Pro X30 division, has featured 21 different winners in the 21 editions on SuperSunday.

Joe Turney (MPG / Kart Republic) is looking to end all of that by becoming the first driver to win in back-to-back years. The British driver won in his first start in 2024, and also become the first Senior driver to win both KA100 Senior and Pro X30 in the same event. The now two-time winner and reigning SKUSA Winter Series champion will have all the attention on him throughout the week in Las Vegas. Read full story on eKartingNews.com
 


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