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Next ProKart Challenge Event

Reg opens on site Friday at 3PM

Round 2 - Buttonwillow (Reverse) April 20-21, 2024
Buttonwillow Raceway Park
24551 Lerdo Highway
Buttonwillow, CA 93206
(661) 764-5333
Google Maps
Please contact the facility for Kart Track hours.  No Friday practice.

 Important News

EKN Trackside: 2024 Superkarts! USA Pro Tour WinterNationals – Preview
Friday, 08 March 2024 08:15

Two-time defending SKUSA Pro Tour champion Marijn Kremers making his OTK debut in the USA with RPG

The 2024 Superkarts! USA Pro Tour WinterNationals marks the 15th season of the organizations premier championship program. The March 8-10 event is scheduled for the Orlando Kart Center in Orlando, Florida. Part of the new Pro Tour format is the separation of two Pro categories and the seven Semi-Pro divisions that will battle over the three days.

The second visit to the Orlando Kart Center for the SKUSA WinterNationals will feature two rounds of racing for the Semi-Pro classes and one round for the new Pro Show. The Semi-Pro will compete in Round One action on Saturday with qualifying, Prefinal and Final with Round Two contested on Sunday with the same format. The new Pro Show has the X30 and Shifter divisions held out until the end of the day where they will run a Qualifying and Super Pole session before running their Prefinal races. The main events will then be held at the end of the day on Sunday, crowning the weekend winners. Read full story on
Rulebook Update
Thursday, 22 February 2024 08:58
The following is currently in effect and will be added to the Rulebook in the next revision.

Brand Compliance Of Parts
Due to an active indefinite suspension of Mark Zartarian of High Rev Racing Engines, until such time as that suspension is lifted, no engines produced/manufactured by, serviced or otherwise maintained by High Rev Racing Engines shall be used at any SKUSA sanctioned event.

EKN Trackside: 2024 Superkarts! USA Winter Series – AMR2 – Sunday Report
Monday, 12 February 2024 00:00

Brandon Carr became the fourth different winner in X30 Senior (Photo: EKN)

The final round of the 2024 Superkarts! USA Winter Series was completed on Sunday at the AMR Homestead-Miami Motorplex presented by MG Tires. The second of two weekends to open up the season for the organization wrapped up its time at the Homestead, Florida facility, welcoming over 200 entries in the nine categories. Weather was perfect until the main events began with a quick rain shower hitting the circuit to dampen things up for the first four race groups before the dry line was formed enough to put back on dry tries. The action on the day helped to decide this year’s champions in a best three of four format with most coming down to the final laps.

The X30 Senior presented by SpeedLab Racing Engines saw the aggression amp up with drivers knowing this was their final shot at a victory, or to further increase their chances of landing on the championship podium. Steven Miller (AM / Exprit) found speed overnight to claim the top spot in qualifying with a 47.672. He cleared Saturday winner Donovan Bonilla (RPG / Kosmic) by just 28 thousandths. Bonilla however was the quickest driver in the Prefinal, working his way up to the point and taking the victory by over a half second ahead of Miller. The start of the Final however cost Bonilla a chance at the championship as contact sent him around in turn two, dropping him outside the top-20. The scramble allowed for Canadian Thomas Nepveu (Trinity / Kart Republic) along with teammate Brandon Carr (Trinity / Kart Republic) and Round Two winner Alessandro de Tullio (Inter MS / Kart Republic) to run 1-2-3. They locked together and got away from the fight that was for fourth. Nepveu led the majority of the race until de Tullio took over the point on lap 17. He led until Carr grabbed the spot coming to the white flag. A defensive line into the first turn pushed him wide and de Tullio got a run on the inside. Nepveu got a run on both, and pushed Carr ahead just enough to clear de Tullio into the second turn from the outside. As Carr jumped back into the lead, de Tullio and Nepveu fought for position, allowing Round One winner Ryan Norberg (RPG / Kosmic) and Dalton Hanes (Piquet / Sodi Kart) to close in. Carr took the advantage and held on through the final corners to secure his first Senior victory. De Tullio held on for second over Nepveu with Norberg and Hanes trailing at the line. Bonilla worked his way up to 12th, but it was not enough as de Tullio would be crowned champion with Norberg third on the championship podium.
EKN Trackside: 2024 Superkarts! USA Winter Series – AMR2 – Saturday Report
Sunday, 11 February 2024 00:00

Matheus Morgatto claimed his first victory in Pro Shifter (Photo: EKN)

Perfect weather greeted the drivers of the Superkarts! USA Winter Series on Saturday at the AMR Homestead-Miami Motorplex Presented by MG Tires as blue skies and temperatures approaching the high-70s made it an ideal day. It was definitely ideal for the winning drivers in the Pro categories. PSL Karting’s Matheus Morgatto (Birel ART) turned in a masterful performance in Pro Shifter, sweeping all three sessions to win over Rolison Performance Group’s Danny Formal (Kosmic). In Pro X30, RPG’s Donovan Bonilla (Kosmic) got away from the pack early and stretched away for yet another top-level national win, despite being chased down aggressively in the late going by Sodi Racing USA’s Harley Keeble. The Englishman’s impressive pace has set the stage for what could be a big fight for the title on Sunday.
EKN Trackside: 2024 Superkarts! USA Winter Series – AMR 2 – Preview
Friday, 09 February 2024 00:00

Alessandro de Tullio is looking to lock up both X30 Pro and KA100 Senior titles this weekend (Photo: EKN)

The 2024 Superkarts! USA Winter Series is set to conclude this weekend – February 2-4 – with the finale event of the seventh season. The AMR Homestead-Miami Motorplex presented by MG Tires will host Round Three and Four, welcoming over 200 entries in the nine categories competing in Homestead, Florida.

The 7/10-mile circuit will be revert to the clockwise direction for the second weekend for the 2024 SKUSA Winter Series. Wednesday and Thursday are unofficial practice with Friday hosting five official sessions for testing. Round Three is set for Saturday, including qualifying, Prefinal and Final. Round Four is a repeat format on Sunday. Points will then be combined for a best three of four championship format to decide the 2024 SKUSA Winter Series champions.

Two drivers stood out in the Pro X30 presented by SpeedLab Racing Engines as Ryan Norberg (RPG / Kosmic) eliminated his winless streak dating back to 2022, while Alessandro de Tullio (Inter MS / Kart Republic) showed he is a Homestead master in the wet. It is de Tullio leading the championship based on his runner-up performance to Norberg on Saturday, leading in the points standings by 60 over the five-time SKUSA Pro Tour champion. Jakub Kolar (Vice / Kart Republic) and Thomas Nepveu (Trinity / Kart Republic) both had a podium finish in the opening weekend but will need more this time around, trailing by 105 and 135 entering the weekend. SuperNationals 26 winner Donovan Bonilla (RPG / Kosmic), Harley Keeble (Piquet / Sodi Kart), Brandon Carr (Trinity / Kart Republic), and Diego Ramos (PSL / Birel ART) are among the top contenders for podium and wins. Read full story on

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