How to Swim All Four Strokes
It takes thousands of hours to master all four competitive strokes: butterfly, backstroke, breaststroke, and freestyle. Doing all four … source
Backstroke
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Michael Phelps Last Olympic Race – Swimming Men’s 4x100m Medley Relay Final | Rio 2016 Replay
Want to watch live sport and original documentaries for free? Check out our website: https://oly.ch/WatchLiveSport ‎ USA wins gold … source