Circuit racing is a motorsport where cars compete on a closed track, known as a circuit. These tracks can vary in length and complexity, featuring a mix of straights and turns. Races are typically held on asphalt surfaces, and the goal is to complete a set number of laps in the shortest time possible. Participants in circuit racing often use specially designed vehicles that are built for speed, handling, and safety. Various racing series, such as Formula 1 and NASCAR, showcase different types of circuit racing, attracting fans and drivers from around the world.