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.

The second half of the 2026 ProKart Challenge began over the August 15-16 weekend at Sonoma Raceway. The Sonoma, California circuit welcomed the series for the second of back-to-back trips, hosting the fourth round of the season championship on the ‘Reverse National’ layout. Picture-perfect weather greeted the nearly 160 entries across 11 categories for the weekend.

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 21st season of the Superkarts! USA ProKart Challenge is set to end following the sixth and final round of competition on October 11-12 at the K1 Circuit. For a third time this year, the SKUSA regional program will visit the Winchester, California, facility for the final round of the championship chase. The 1.1-mile ‘Pro Track’ will welcome the competitors on the weekend, fighting for the final points up for grabs.

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.