Big14news.com’s AMA Supercross category covers America’s premier stadium motocross series, where top riders unleash fury on custom-built dirt tracks inside arenas nationwide. The 250 and 450 Classes feature 20 explosive rounds from January to May, with 20-lap main events under the lights testing speed, jumps, and rhythm sections on 250cc and 450cc bikes from Honda, Yamaha, KTM, and Kawasaki. Follow race highlights, championship standings, rider battles, and venue previews for supercross enthusiasts.