Michael Phelps is joined by other members of the U.S. swim team to cross Abbey Road.
Michael Phelps wins his first Olympic medal in his first race in Athens - gold in the 400m IM.
Behind South Africa and the Netherlands, Phelps earns bronze as part of the U.S. 4x100m free relay in Athens.
Phelps' third medal in Athens is bronze in the 200m free, behind Australia's Ian Thorpe and Germany's Pieter van den Hoogenband.
His second Olympic gold came in the men's 200m butterfly in Athens.
Joined by Peter Vanderkaay and Ryan Lochte, Phelps' fifth medal is gold in the 4x200m free relay in Athens.
Phelps' sixth medal is gold in the 200m IM in Athens.
Phelps out-touches teammate Ian Crocker to secure his seventh medal in Athens - gold in the men's 100m butterfly.
Competing in the prelims of the 4x100m medley relay in Athens, Phelps celebrates from the stands as the U.S. wins gold to make his overall medal count eight.
Phelps kicks off his meet in Beijing with a gold in the men's 400m IM, his ninth Olympic medal.
Jason Lezak's heroic finish in the men's 4x100m free relay in Beijing helped Phelps win medal number ten (a gold).
Phelps wins gold in the 200m freestyle in Beijing, capturing his 11th medal.
Even with water in his goggles, Phelps wins his 12th Olympic medal.
Medal number 13 comes in the 4x200m freestyle, in which the U.S. won gold.
Phelps finishes ahead of Ryan Lochte in the 200m IM in Beijing, winning gold - his 14th overall medal.
In a nail-biting photo-finish, Phelps beats Serbia's Milorad Cavic in the 100m butterfly for gold - his 15th Olympic medal.
A gold in the 4x100m medley relay in Beijing made it 16 medals overall for Phelps (14 gold and 2 bronze).
Number 17 came in London, when Phelps and the U.S. won silver in the 4x100m free relay.
Michael Phelps ties Soviet gymnast Larisa Latynina with a record 18 Olympic medals, after a silver in the 200m butterfly in London.
Phelps becomes the most decorated athlete of all time - with 19 medals - as he anchors the U.S. 4x200m free relay to gold in London.
Phelps threepeats by winning gold in the 200m IM
Phelps threepeats again in London, winning gold in the 100m butterfly for his 21st medal.
The 4x100m medley relay gold in London marks Phelps' 22nd and final Olympic medal.
Haney and Phelps in Sarasota
Haney and Phelps head to the Bahamas
Haney and Phelps Hit Cabo
Phelps playing golf in Scotland
Michael Phelps Practicing His Swing
Big Break Academy: Episode 1
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Mark Silvers on Big Break Academy Photos
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Big Break Academy Greenbrier
Feherty Live Photo Gallery
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Inside Look at Big Break Academy
On the Set of The Golf Fix