Lost At Sea: The story of how a young Diana Nyad ruined the life and swim of the first Cuba to Florida swimmer

between about 4 and 8 km per hour, for about 20 hours in a row , in the middle of a 50 hour swim? yep , thats pretty good. http://aftergrogblog.blogs.com/agb/images/Hoff_the_Swimmer.gif

http://static1.businessinsider.com/image/522e00c76bb3f7567d8e5ead-640-320/diana-nyad-speed-graph-1.jpg
MarathonSwimming