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PRE-ENTRY OPEN UNTIL JULY 21
You can still enter online but $250
late entry/walk-up fee wil apply.
summernationals - rounds 5&6 July 24-26, 2026
New Castle Motorsports Park
5816 South County 125 West
New Castle, IN 47362
(765) 987-8090
newcastlemotorsportspark.com
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SKUSA Pro Tour

EKN Trackside: 2026 Superkarts! USA Pro Tour WinterNationals – Preview
Friday, 27 March 2026 06:55

The Musselman Honda Circuit in Tucson (Photo: Musselman Honda Circuit)

The 2026 Superkarts! USA Pro Tour is set to get underway this weekend – March 27-29 – with a visit to the Musselman Honda Circuit. The 10th edition of the SKUSA WinterNationals will make its first visit to Tucson, Arizona, marking the third ever trip for Superkarts! USA with previous SpringNationals held in 2011 and 2013. Over 250 entries are set to battle over the eight categories that will contest this year’s championship program.

The Musselman Honda Circuit has been hosting karting events since mid 2000s when the Stars of Karting program held events. Other championships have visited the Tucson facility over the last three decades, including last weekend with the RMC America’s Trophy program making its debut. The 8/10-mile course in the counter-clockwise direction is a replica of the Suzuka circuit in Japan, featuring 12 turns with a bit of elevation change from one end of the track to the other. Its new paved paddock will provide less dirt for teams and competitors to navigate traffic with a secondary paddock established along the backstretch to welcome the over 250 entries.  Read full story on eKartingNews.com