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SuperKarts! USA
ProKart Challenge to Host Round Five at Sonoma Raceway

Superkarts! USA returns to the Sonoma Raceway karting circuit for the first time since the 2017 SpringNationals,
hosting the ProKart Challenge over the August 23-24 weekend (Photo: eKartingNews.com)

A significant weekend lies ahead for the ProKart Challenge program. The Superkarts! USA regional program is set to host Round Five of the 2025 schedule on August 23-24 at Sonoma Raceway. The weekend marks the first trip to the Sonoma, California facility for the organization since 2017 when they hosted the SKUSA Pro Tour SpringNationals.

Round Five action for the ProKart Challenge is going to take place on the ‘National Pro’ layout, which eliminates most of the famous Tic-Tac-Toe section of the course. Official practice begins on Saturday, August 23 with four rounds prior to qualifying to close out the day. Sunday, August 24 welcomes warm-up, Prefinal and Final to conclude action for Round Five for all categories.
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EKN Trackside: 2025 Superkarts! USA Pro Tour SpringNationals – Saturday Report

Ryan Norberg won in a photo finish in the Pro X30 main event (Photo: EKN)

It was a picture-perfect day on Saturday at the 2025 Superkarts! USA Pro Tour SpringNationals. The Motorsports Country Club of Cincinnati provided a sunny day and comfortable temperatures as Round Three of the championship was completed on the day for the seven semi-pro categories with the Pro Show running their first day of action. While Rolison Performance Group drivers Ryan Norberg (Pro X30) and Alexander Vanchev (X30 Junior / KA Junior) were able to add to their win total on the season, four others claimed their first wins on the year.

Alan Isambard (RRC / LN Racing Kart) shocked the paddock with fast time in qualifying for the Kart CRG USA Pro X30 division. A 55.239-lap put him at the top of the order over Round One winner Ryan Norberg (RPG / Kosmic) and California driver Blake Nash (Nash / EOS). It was British driver Gus Lawrence (RPG / Kosmic) that showed the pace in the Prefinal, holding off Norberg for the race win to lead the 33 driver field to the green flag. The top two were able to break away from the field early on with Lawrence at the point. Norberg applied the pressure by the halfway point of the 20-lap race, trying to get around for the lead. He finally did on lap 15, but the rest of the top six was right there, including Round Two winner Austin Garrison (SCR / CS55). Garrison got around Lawrence on lap 17 and closed up on Norberg. Coming to the white flag, Garrison was able to work past Norberg for the lead with an over/under move. Through the final lap, Garrison held the defensive line up until the run onto the main straight to the checkered flag. Norberg timed the run perfectly to dive to the right of Garrison in the drag race, reaching the checkered flag first by 20 thousandths of a second for the victory. Ruben Moya (FDM / Pantano) celebrated his first SKUSA Pro Tour podium, working up to third in the closing laps ahead of Lawrence while Diego Ramos (PSL / Birelart) was fifth at the line. Unfortunately, he was removed from the results for a DQ in tech. That promoted Isambard up to fifth.
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EKN Trackside: 2025 Superkarts! USA Winter Series – Orlando 1 – Sunday Report

Daniel Formal swept the weekend in Pro Shifter (Photo: EKN)

The opening weekend of the 2025 Superkarts! USA Winter Series came to a close on Sunday at the Orlando Kart Center. It was an improvement on the weather side for the over 300 entries at the Orlando, Florida facility. Clear skies brought on sunshine all day, despite chilly temps when the gates opened, there was no wind to allow the temps to rise into the 60s. Laps were cut down by two in both the Prefinal and Final, helping to keep on the printed schedule on the day. The main events wrapped up as the sun set and Round Two winners were decided. It ended with two wins each for the Senior drivers – Daniel Formal (Pro Shifter), Joe Turney (Pro X30) and Frankie Mossman (KA100 Senior).
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EKN Trackside: Superkarts! USA SuperNationals 27 – Thursday Report

Senna Van Walstijn grabbed fast time in Pro Shifter in his first SuperNationals start (Photo: On Track Promotions - otp.ca)

The first official day of competition was put into the books on Thursday for the Superkarts! USA SuperNationals 27. The over 500 drivers took to the track for the second day of action on the temporary circuit outside the Las Vegas Motor Speedway, following a full day of practice on Wednesday. The morning and afternoon groups took to the track for two rounds of practice and the qualifying session to set the grid for the heat races over Saturday and Sunday. Clear skies all day eventually rolled into the night time with the afternoon groups qualifying under the lights after a couple red flag situations on the day. In the end, it was Dutch driver Senna Van Walstijn and Spainard Ruben Moya that set fast times in Pro Shifter and Pro X30.

The first category on the track for the morning group was KA100 Junior presented by Birel ART USA. The 84 driver category was split up into four groups for qualifying based on the final practice session lap time. Mateo Calderon (Supertune USA / Tony Kart) was in the second group out and held the provisional pole position through the first three groups. It looked as if he might keep the spot until the second half of the final group. 2023 class winner Turner Brown (RPG / Kosmic) was up to the top spot but on the final circuit, John Antonino (MPG Academy / Kart Republic) put in a 52.330 lap time. He edged out Brown by 56 thousandths for his first career SuperNationals pole position. Max Cristea (TKG / Kart Republic) was third overall, only recording three laps in the session. Canadian Ty Fisher (Racelab / TB Kart) was fourth in the final order with SKUSA Winter Series champion Sebastian Garzon (Orsolon Racing / Tony Kart) completing the fast five. Calderon’s time was good enough for tenth.
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EKN Trackside: 2025 Superkarts! USA Pro Tour SpringNationals – Preview

Gavin Bayliff looks to defend home track and point lead in Pro Shifter (Photo: EKN)

The 2025 Superkarts! USA Pro Tour reaches the halfway point this weekend with the running of the SKUSA SpringNationals, set for the Motorsports Country Club of Cincinnati over the Memorial Day weekend. Roughly 250 entries over the eight categories will visit the Batavia, Ohio facility that is hosting the event for a second straight year.

Event schedule begins with unofficial practice on Wednesday and Thursday. Official sessions begin on Friday with four, seven-minute sessions with a fifth and final 12-minute run for all eight categories to close out the day. Seven of the divisions will follow the two round format on the weekend, including Pro X30 moving away from the Pro Show format. Warm-up, qualifying, Prefinal (10 laps) and Final (20 laps) make up Saturday with the same lineup for Sunday to complete Round Three and Round Four of the SKUSA Pro Tour. The SKUSA Pro Show features only the Pro Shifter division. Qualifying, Super Pole, Heat 1 and Heat 2 on Saturday set the stage for the 14-lap Prefinal and the 25-lap Final to decide the SKUSA SpringNationals winner. Read full story eKartingNews.com
 


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