4x100m Freestyle

4x100m Freestyle (pronounced 4 by 100 meter Freestyle) is a real-life olympic event that can be played in Mario & Sonic at the Olympic Games. It is under the "Aquatics" category, along with 100m Freestyle, and plays somewhat similarly to 4x100m Relay. Four teams of four players take turns to get past the 100m pool four times first. This game requires both speed and stamina and, interestingly, features all sixteen playable characters.

Description
''Four team members take turns to swim two lengths each. Each player should touch the wall before the next player dives in. The first team to have all four members complete two lengths wins.''