Sports arena is a term used to describe a large venue, usually outdoors, that is used for sporting events. It typically has seating for spectators and may also include other facilities such as concession stands and restrooms. The most common type of sports arena is a STADIUM, which is an enclosed structure with a field or court in the center. Stadiums are often used for football, baseball, soccer, and other team sports. Other types of sports arenas include arenas, which are typically used for basketball, hockey, and other indoor sports, and racetracks, which are used for auto racing and horse racing.