A mile is a unit of distance commonly used in the United States and the United Kingdom. It is equal to 5,280 feet or 1,609.34 meters. The mile is often used to measure longer distances, such as the length of a race or the distance between cities. In addition to its use in everyday measurements, the mile is also significant in various sports. For example, in track and field, the mile run is a popular event that tests an athlete's speed and endurance. The term "mile" can also refer to a specific distance in marathons and other long-distance races.