Carlos Zenon Balderas Jr. of the U.S. lands a punch on Kazakhstan's Berik Abdrakhmanov.
Donald Miralle
Yang Sun of China during a heat of the 400m Freestyle.
Joe McNally
Action from the table tennis competition.
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Kevin Durant of the U.S. celebrates a basket as Gen Li of China and Klay Thompson of the U.S. look on during Day 1.
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Japan's Kosuke Hagino celebrates after winning the 400m Individual Medley Final.
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Virginia Thrasher of the U.S. (center) won the first gold medal at the Rio Olympics. Here she poses on the podium with China's silver medal winner Du Li (left) and China's bronze medallist Yi Siling.
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Virginia Thrasher of the United States competes in the 10m Air Rifle final.
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Lydia Williams of Australia attempts to make a save against Germany.
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Chenglong Zhang of China vaults during the Artistic Gymnastics Men's Team qualification.
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Morgan Brian of United States and Marie Laure Delie of France battle during a 1-0 win by the Americans.
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Yiwen Sun of China celebrates beating Lauren Rembi of France during the Epee Individual Bronze Medal match.
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A dejected Lauren Rembi of France after competing in the Epee Individual Bronze Medal match.
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Fabiana of Brazil jumps for the ball while Fridolina Rolfo of Sweden looks on.
Simon Bruty
An overview of the beach volleyball venue on Day 1.
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Samuel Mikulak of the United States competes on the pommel horse in the Artistic Gymnastics Team qualification.
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Bui Baravilala (right) of the U.S. passes the ball in a rugby sevens match against Colombia.
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Hungary's Georgina Pota eyes the ball in her singles qualification table tennis match.
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Venus Williams in action against Kirsten Flipkens of Belgium.
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Belgium's Kirsten Flipkens is seen behind the Olympic rings on the net as she serves to Venus Williams.
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Casey Patterson of the United States celebrates during a Beach Volleyball preliminary round match against Jefferson Santos Pereira and Cherif Younousse Samba of Qatar.
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Japan's Rikako Ikee competes in a 100m Butterfly semifinal.
Jewel Samad/AFP/Getty Images
Brady Ellison of the U.S. shoots an arrow during the Men's Team semifinal.
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Yijun Feng of the United States during a first-round match against Zhiwen He of Spain.
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Maya Dirado of the U.S. competes in a 400m Individual Medley heat.
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Kelly Murphy, Rachael Adams and Kimberly Hill of the U.S. jump to block the ball during a qualifying volleyball match against Puerto Rico.
Tom Pennington/Getty Images
Alex Obert of the U.S. shoots the ball against Croatia during a water polo preliminary.
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US Kelley Hurley (left) competes against Brazil's Nathalie Moellhausen during their individual epee qualifying bout.
Bob Martin
The scene from the road cycling competition.
Bob Martin
The scene from the road cycling competition.
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Hiromi Miyake of Japan competes in the 48kg Group A Final.
Manan Vatsyayana/AFP/Getty Images
Julia Reinprecht of the U.S. hits the ball past Maria Granatto during an upset win over the world's No. 2 ranked team.
Manan Vatsyayana/AFP/Getty Images
Australia's Mariah Williams looks on after stopping the ball during a field hockey game vs. Britain.
Tom Pennington/Getty Images
Players of France huddle prior to a prelimimary round match against Montenegro.
Joe McNally
A weightlifter during Day 1.
Donald Miralle
Maya DiRado of the U.S. en route to winning a silver medal.
Wong Maye-E/AP
Malaysia's Pandelela Rinong prepares to dive during a Saturday training session.
Eduardo Verdugo/AP
Spain's goalkeeper Daniel Lopez Pinedo reacts after he failed to stop a ball during a preliminary round match against Italy.