The AMA Supercross Championships is a premier motorcycle racing series held in the United States, featuring high-stakes competitions on indoor dirt tracks. Organized by the American Motorcyclist Association, the series showcases top riders from around the world, competing on specially designed bikes that can handle jumps and tight turns. The championship typically runs from January to May, with events taking place in major stadiums across the country. Each race consists of qualifying heats, followed by main events where riders accumulate points based on their finishing positions. The rider with the most points at the end of the season is crowned the champion.