Season resumes for California Prokart Challenge, competitors head to Marina to contest Round Four of Superkarts! USA flagship regional Season resumes for California Prokart Challenge, competitors head to Marina to contest Round Four of Superkarts! USA flagship regional Bas Kaligis / Wednesday, July 10, 2019 0 3314 Article rating: No rating The second half of the 2019 California ProKart Challenge begins this weekend as the Superkarts! USA regional program heads to Marina Airport Kart Track on July 13-14. The Monterey Bay Karters are set to welcome the leading California karting regional program with the fourth round of the championship series. Located just miles from the coast, competitors will be able to enjoy the cool and clear weather near Monterey, contesting the ‘B’ track layout at just over 1/2-mile long. Read more