Michael Fred Phelps was born in Baltimore in 1985 and is an American swimmer, lived in a family of swimmers because the sisters, in particular one, before him, won the silver medal at the swimming championships in 1994.
It is considered the biggest swimmer of all time, and precisely for his achievements he was nicknamed the Baltimore shark for having beaten 39 world records in eight disciplines. In 2008 in Beijing he won 8 gold medals, surpassing the highest number of medals won in a single edition by beating the record of Mark Spilts who in 1972 had won 7.
During his competitions, of which he took part, such as Olympic Games in Sydney 2000, Athens 2004, Beijing 2008, London 2012 and Rio de Janeiro in 2016, Fukuoka World Championships 2001, Barcelona 2003, Montreal in 2005, Melbourne in 2007, Rome in 2009 and Shanghai in 2001, Indianapolis Short World Championships in 2004 and Panpacific Championships, he won a total of 83 medals: 66 gold, 14 silver and 3 bronze.
A first retirement announcement from his career he did at the end of the 2012 London Olympic Games, but despite a period of pause, away from the races but never from the pool, he showed up in 2016 at the Olympic Games in Rio de Janeiro and achieved excellent results but this time, at the end of the race, he announced his final retreat with a video message on Facebook.