California ProKart Challenge to Close Out 2024 at K1 Circuit California ProKart Challenge to Close Out 2024 at K1 Circuit Final round to decide championships for Superkarts! USA regional series Bas Kaligis / Tuesday, September 24, 2024 0 238 Article rating: No rating The California ProKart Challenge is carrying the momentum of the season’s fourth event in August into the 2024 series finale, scheduled for September 28-29 at the new K1 Circuit. The Winchester, California facility welcomed 171 entries for the double-round weekend, with another big turnout expected for the two-day, one round series finale of the Superkarts! USA regional program. Read more