Swimming activity has been around for thousands of years. There are engravings that show people in the middle of the water supposed to swim, taking as date 7000 AC. In ancient Greece, swimming has become a prerequisite for becoming a soldier so that they can improve their fitness.Swimming is an Olympic modality since the first Games of the modern era and since then the export has evolved greatly and has had different champions and records achieved.One of the most notorious swimmers ever won dozens of medals recently, from 2004 to Beijing in 2008 and already with some decline in 2012, but nevertheless strong, Michael Phelps dominated swimming in the most varied styles, imposing several records and becoming the athlete with the most medals of the Olympic Games since its existence, and this record is far greater than the athlete who previously held it.