Second half of 2026 ProKart Challenge begins in Sonoma Second half of 2026 ProKart Challenge begins in Sonoma Bas Kaligis / Friday, August 21, 2026 0 109 Article rating: No rating 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. Read more
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 7976 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