ProKart Challenge to host round five at Sonoma Raceway ProKart Challenge to host round five at Sonoma Raceway Superkarts! USA returning to northern California for first time since 2017 with regional program Bas Kaligis / Thursday, August 14, 2025 0 7215 Article rating: No rating 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. Read more
Double-round weekend in Fontana on the docket for California Prokart Challenge Double-round weekend in Fontana on the docket for California Prokart Challenge Two-race weekend format set for June 24-26 at the CalSpeed Karting Center facility Bas Kaligis / Saturday, June 18, 2022 0 1398 Article rating: No rating In just one week, the California ProKart Challenge returns to action and hosts the lone double-round weekend of the season. Competitors from all over the west coast will converge on the CalSpeed Karting Center facility in Fontana, California during the June 24-26 weekend for Rounds Three and Four of the Superkarts! USA regional program. Read more