The ProKart Challenge will make its second ever visit to the Spring Mountain Karting Complex. The program travels to the Pahrump, Nevada course over the September 12-13 weekend for Round Five of the Superkarts! USA regional championship series.

Karting Solutions Group (KSG), the US distributor for Rotax and home of the Race Rotax brand, today announces two developments for the 2026 season alongside TPK Promotions. For the first time, Rotax Mini MAX will join Senior MAX at the SKUSA SuperNationals in 2026, and the prize package for the Rotax MAX Challenge (RMC) Trophy Final has been expanded to give winners their choice of championship stage.

The opening two rounds of the 2026 Superkarts! USA ProKart Challenge were held over the April 24-26 weekend at K1 Circuit. The Winchester, California facility welcomed the SKUSA regional program for rounds one and two of action to begin the six-round championship schedule. A total of 11 categories began the title chase for the 2026 season with five drivers able to leave the opening weekend with two wins toward their point total.

The 21st season of the ProKart Challenge concluded this past October, completing the five events with six rounds of competition for the Superkarts! USA regional program. Eleven different class champions were crowned following the action at the K1 Circuit finale event.

The 2026 winter season is set to heat up the international karting scene: two of the most iconic competitions on the American circuit are ready to deliver excitement, adrenaline, and history.