The medley relay is a swimming event that consists of four different strokes, with each swimmer using a specific technique. Typically, the order of strokes is backstroke, breaststroke, butterfly, and freestyle. Each swimmer races a set distance, usually 100 meters for each leg in short course competitions. In a medley relay, teams are made up of four swimmers, and the race is a test of both individual skill and teamwork. The event is popular in competitive swimming, including the Olympics and World Championships, showcasing the versatility and speed of the athletes involved.