Supercross is a form of motorcycle racing that takes place on a closed circuit, typically featuring a series of jumps, turns, and obstacles. The races are held indoors or in stadiums, allowing for a controlled environment and a thrilling atmosphere for fans. Riders compete on specialized dirt bikes designed for agility and speed, showcasing their skills in navigating the challenging terrain. The sport is governed by organizations like the FIM and AMA, which set the rules and standards for competition. Supercross events are popular in the United States, attracting large crowds and featuring top riders who compete for championship titles throughout the season.