2008 Olympic gold medalists Bryan Clay (center) and Allyson Felix (right) were part of a U.S. contingent that invaded Times Square on April 18, celebrating 100 days out from the London Games.
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Julie Zetlin hopes to win the U.S.' first medal in rhythmic gymnastics.
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Olympians past and present, celebrities and New York bystanders enjoyed the festivities in Times Square.
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Donald Trump inspects a fencing foil next to Olympian Tim Morehouse.
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Actor Brian d'Arcy James meets with Olympic volleyball hopefuls Jess Gysin, Jennifer Fopma, Whitney Pavlik and Christal Engle.
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Fencers James Williams (left) and Dagmara Wozniak duel. The 16-member U.S. fencing team is set for the London Games.
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World indoor high jump champion Chaunte Lowe gives a demonstration of her Fosbury flop.
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Women's boxing is an Olympic sport for the first time this year. Marlen Esparza is one of the three U.S. hopefuls.
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Sitting volleyball players compete on a makeshift surface. The London Paralympic Games take place from Aug. 29 to Sept. 9.
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Matt Lauer interviews U.S. swimming superstar Missy Franklin. Franklin, 16, won five medals at the 2011 world championships and may surpass that total in London.
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The Today Show 's Natalie Morales attempts to clear a hurdle as Jason Richardson looks on. Richardson, 26, was the surprise world champion in the 110-meter hurdles in 2011.
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Trampoline has been part of the Olympics since 2000. Alaina Williams hopes to bring home the U.S.' first medal in the event.
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Legendary Olympic gold medalists Carl Lewis, Greg Louganis and Shannon Miller address the crowd in Times Square.
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Sammy Lee was the first Asian American to win Olympic gold. Lee, now 81, won back-to-back platform diving titles in 1948 and 1952.
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Field hockey player Maren Langford boards the Road To London double-decker bus. The U.S. women's field hockey team bowed out in pool play in 2008, but it defeated world No. 2 Argentina for the 2011 Pan American Games title.
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