An athletic field is a type of outdoor sports facility used for various sports activities. The most common types of athletic fields are stadiums, arenas, gridirons, rinks, parks, and ovals. A STADIUM is a large outdoor venue with seating for spectators, typically used for football or baseball games. An ARENA is an indoor or outdoor structure used for sporting events, concerts, and other entertainment events. A GRIDIRON is a field used for American football, Canadian football, and rugby. A RINK is an ice-covered surface used for ice hockey, figure skating, and speed skating. A PARK is an outdoor area with recreational facilities such as playgrounds, trails, and sports fields. An OVAL is a track or field used for running, cycling, and other sports.