Definitions for "Medley Relay"
Four swimmers, each swimming a different stroke, swim one fourth of the relay distance in the following order: backstroke, breaststroke, butter fly, then freestyle.
For medley relay events, a team of four swimmers cover the four strokes in the the following order: backstroke, breaststroke, butterfly, freestyle. Each section must be finished in accordance with the rules for the stroke concerned. A swimmer may leave the water as soon as he has completed his swim.
Four swimmers swim an equal distance in order of backstroke, breaststroke, butterfly and freestyle