Annika Sorenstam is arguably the greatest female golfer in history and the most successful Swedish female athlete ever.
Mary Lou Retton
The most successful athlete in Jamaica is Usaine Bolt because he broke the world record for 100 meter sprint.
This answer may vary depending on what you define as "successful," but generally, Michael Jordan is usually considered the most famous American athlete of his time.
I would put Simone Biles at the top of the list as the most decorated World Championship American gymnast. She has been named Associated Press‘ Female Athlete of the Year, USOC‘s Athlete of the Year, and One of the Most Influential People in the World by TIME Magazine.
Swedens shooter Jonas Jacobsson (16 golds)
Tennis is Switzerland's saving grace when it comes to world sports. The most famous male athlete is undoubtedly Roger Federer. The most famous female athlete is probably Martina Hingis.
The most successful and decorated Olympic athlete as of 2014 is Michael Phelps. He has 22 Olympic medals with 18 being gold medals.
my mom!
Taylor Swift
Its Madonna.
I would put Simone Biles at the top of the list as the most decorated World Championship American gymnast. She has been named Associated Press‘ Female Athlete of the Year, USOC‘s Athlete of the Year, and One of the Most Influential People in the World by TIME Magazine.
Through the 2008 Games, that would be gymnast Larissa Latynina of the former Soviet Union who won 18 medals (9 gold, 5 silver, 4 bronze) in Olympic competition in 1956, 1960, and 1964.