By Mike Zacchino, The Oregonian
Usain Bolt wins men's 100 meters at the 2012 London Olympics.

Jamaica's Usain Bolt crosses the finish line to win gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip ) 

Jamaica supporters react as they watch a broadcast of the men's 100-meter final on a screen at the Puma Yard in London during the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Emilio Morenatti) 

Jamaica supporters react as they watch a broadcast of the men's 100-meter final on a screen at the Puma Yard in London during the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Emilio Morenatti) 

Jamaica supporters react as they watch a broadcast of the the men's 100-meter final on a screen at the Puma Yard in London during the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Emilio Morenatti) 

Jamaica's Usain Bolt crosses the finish line to win gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip ) 

Jamaica's Usain Bolt gestures before competing in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Dunham) 

Jamaica's Usain Bolt gestures before competing in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Dunham) 
 
 Jamaica's  Usain Bolt, second left, crosses the finish line ahead of United  State's Ryan Bailey, left, United States' Justin Gatlin, second right,  and Jamaica's Yohan Blake, right, in the men's 100-meter final during  the athletics in the Olympic Stadium at the 2012 Summer Olympics,  London, Sunday, Aug. 5, 2012.(AP Photo/Anja Niedringhaus) 
Jamaica's  Usain Bolt, right, leads United States' Ryan Bailey in the men's  100-meter final during the athletics in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Anja  Niedringhaus) 
Jamaica's  Usain Bolt, right, leads United States' Ryan Bailey in the men's  100-meter final during the athletics in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Anja  Niedringhaus) 
Jamaica's  Usain Bolt, center, leads in the men's 100-meter final during the  athletics in the Olympic Stadium at the 2012 Summer Olympics, London,  Sunday, Aug. 5, 2012. (AP Photo/Anja Niedringhaus) 
Jamaica's  Usain Bolt, center, leads in the men's 100-meter final during the  athletics in the Olympic Stadium at the 2012 Summer Olympics, London,  Sunday, Aug. 5, 2012. (AP Photo/Anja Niedringhaus) 
Jamaica's  Usain Bolt celebrates after crossing the finish line to win gold in the  men's 100-meter final during the athletics competition in the Olympic  Stadium at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London.  (AP Photo/Lee Jin-man) 
Jamaica's  Usain Bolt crosses the finish line to win gold in the men's 100-meter  final during the athletics in the Olympic Stadium at the 2012 Summer  Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Christophe Ena) 
Jamaica's  Usain Bolt celebrates after winning the men's 100-meter final race  during the athletics competition in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Marcio Jose  Sanchez) 
From  left, United States' Ryan Bailey, Jamaica's Usain Bolt, United States'  Justin Gatlin, Jamaica's Yohan Blake, United States' Tyson Gay,  Jamaica's Asafa Powell and Trinidad's Richard Thompson compete in the  men's 100-meter final during the athletics in the Olympic Stadium at the  2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Daniel  Ochoa De Olza) 
Jamaica's  Usain Bolt, second from left, crosses the finish line ahead of  Jamaica's Yohan Blake, second from right, United States' Justin Gatlin,  center, United States' Tyson Gay, right, and United State's Ryan Bailey  in the men's 100-meter final during the athletics in the Olympic Stadium  at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP  Photo/Daniel Ochoa De Olza) 
Jamaica's  Usain Bolt, right, wins the men's 100-meter final during the athletics  in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug.  5, 2012.(AP Photo/Kirsty Wigglesworth) 
Jamaica's  Usain Bolt, left, crosses the finish line ahead of Jamaica's Yohan  Blake, right, United States' Justin Gatlin, second from right, United  State's Ryan Bailey, third from right, and Netherlands' Churandy Martina  to win gold in the men's 100-meter final during the athletics in the  Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5,  2012. (AP Photo/David J. Phillip ) 
Jamaica's  Usain Bolt, front, sprints towards the finish line to win the men's  100-meter final race ahead of Jamaica's Yohan Blake, half hidden, Tyson  Gay from the U.S., second in red, Jamaica's Asafa Powell, center in  yellow, Ryan Bailey from the U.S.. third from right rear, Trinidad's  Richard Thompson. second right, and Churandy Martina from the  Netherlands, right, during the athletics competition in the Olympic  Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP  Photo/Markus Schreiber) 
Jamaica's  Usain Bolt, third from bottom, leads on his way to win the men's 100  meter final race during the athletics competition in the Olympic Stadium  at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP  Photo/Mark Duncan) 
Jamaica's  Usain Bolt, foreground left, goes to cross the finish line ahead of  Jamaica's Yohan Blake, third from right, United States' Tyson Gay,  second from right, and Trinidad's Richard Thompson in the men's  100-meters final during the athletics in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Dunham) 
Jamaica's  Usain Bolt, foreground left, goes to cross the finish line ahead of  Jamaica's Yohan Blake, third from right, United States' Tyson Gay,  second from right, and Trinidad's Richard Thompson in the men's  100-meters final during the athletics in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Dunham) 
Jamaica's  Usain Bolt crosses the finish line to win gold in the men's 100-meter  final during the athletics competition in the Olympic Stadium at the  2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Mark  Duncan) 
Jamaica's  Usain Bolt, left, celebrates winning gold alongside silver medallist  Yohan Blake of Jamaica following the men's 100-meter final during the  athletics in the Olympic Stadium at the 2012 Summer Olympics, London,  Sunday, Aug. 5, 2012. (AP Photo/Sergey Ponomarev) 
Jamaica's  Usain Bolt shakes hands with spectators after his win in the men's  100-meter final during the athletics in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/David Goldman) 
Jamaica's  Usain Bolt wears his national flag following his win in the men's  100-meter final during the athletics in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Anja  Niedringhaus) 
Jamaica's  Usain Bolt holds his national flag following his win in the men's  100-meter final during the athletics in the Olympic Stadium at the 2012  Summer Olympics, London, Sunday, Aug. 5, 2012.(AP Photo/Anja  Niedringhaus) 
Jamaica's  Usain Bolt reacts to his win in the men's 100-meter final during the  athletics in the Olympic Stadium at the 2012 Summer Olympics, London,  Sunday, Aug. 5, 2012.(AP Photo/Anja Niedringhaus) 
Jamaica's  Usain Bolt reacts to his win in the men's 100-meter final during the  athletics in the Olympic Stadium at the 2012 Summer Olympics, London,  Sunday, Aug. 5, 2012.(AP Photo/Anja Niedringhaus)