Lilly King, right, celebrates with American teammate Katie Meili after winning the 100-meter breaststroke on Monday, August 8. Leading up to the final, King had called out Russian rival Yulia Efimova, who faced two bans for performance-enhancing drugs before eventually being allowed to swim in Rio de Janeiro. Efimova finished in second place. Meili got the bronze.
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Japanese gymnast Kohei Uchimura -- the reigning Olympic champion -- competes on the parallel bars during the team all-around event. Japan won the gold.
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Sprinter Usain Bolt, center, dances the samba during a news conference for Puma and the Jamaican Olympic Association. The world's fastest man will be defending his 100-meter title later in the Games.
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Hungary's Katinka Hosszu celebrates after winning the 100-meter backstroke. It was her second gold medal in Rio.
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Hong Kong's Wong Chun Ting, left, plays Japan's Koki Niwa in table tennis. Niwa won to clinch a spot in the quarterfinals.
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Australian rugby players celebrate after defeating New Zealand in the gold-medal match 24-17. This is the first year that rugby sevens has been played at the Olympics.
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New Zealand's rugby team performs a haka dance for their supporters after the final.
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Synchronized divers Chen Aisen and Lin Yue won the 10-meter platform event for China. China has won the event in the past four Olympics.
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Judoka Rafaela Silva cries on the medal stand after she won Brazil's first gold at the Rio Games. She defeated Dorjsurengiin Sumiyaa in the final of the 57-kilogram weight class.
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Amaia Erbina of Spain is tackled by Audrey Amiel and Pauline Biscarat of France during a rugby sevens match.
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Russian fencer Sofya Velikaya, left, competes against France's Manon Brunet during a sabre semifinal bout. Velikaya defeated Brunet but lost in the final to her Russian compatriot Yana Egorian.
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Venezuelan weightlifter Yusleidy Figueroa falls as she competes in the 58-kilogram weight class.
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U.S. volleyball player Kimberly Hill spikes the ball during a preliminary match against the Netherlands. The United States won 3-2.
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South Korean gymnast Lee Eun-ju takes a selfie with North Korean gymnast Hong Un-jong during training. Relations have been frosty between the North and South since its division following the end of World War II, but geopolitics were put to the side as the two Olympians came together.
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Australian cyclist Melissa Hoskins, center left, lies on the track after the pursuit team crashed during a training session. She was taken to the hospital.
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Japanese rider Yoshiaki Oiwa, on The Duke of Cavan, competes in the cross-country phase of the eventing competition.
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German field hockey players run from goal during a match against New Zealand.
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Ukrainian synchronized divers Maksym Dolgov and Oleksandr Gorshkovozov compete in the 10-meter platform final.
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Dutch volleyball player Maret Balkestein-Grothues hurt her ankle in the fourth set of the loss against the United States. She didn't return.
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Weightlifter Mathlynn Sasser won the Marshall Islands' first-ever Olympic medal with silver in the 58-kilogram weight class.
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Slovakia's Alexandra Longova releases an arrow during the women's individual archery competition.
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Japanese swimmer Miho Teramura competes in the 200-meter individual medley. She qualified for the semifinals.
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U.S. swimmer Madeline Dirado won her heat to also qualify for the semifinals of the 200-meter individual medley.
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Brazil's Juan Nogueira, right, lost to Russia's Evgeniy Tishchenko in their heavyweight boxing match.
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Spanish water polo player Marc Minguell shoots for goal during a 10-9 victory over the United States.
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Australia's Mariafe Artacho del Solar dives during a beach volleyball preliminary match.
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French canoeists Matthieu Peche and Gauthier Klauss compete in the C-2 slalom competition at the Whitewater Stadium.
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Ukrainian fencer Olena Kravatska takes part in the women's individual sabre competition.
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Julio Cesar Salamanca Pineda, a weightlifter from El Salvador, competes in the 62-kilogram weight class.
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Denmark's Caroline Wozniacki serves during her second-round match against Petra Kvitova of the Czech Republic. Kvitova advanced with a 6-4, 6-2 victory.
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Japanese judoka Shohei Ono, in white, competes against Victor Scvortov of the United Arab Emirates. Ono went on to win gold in the 73-kilogram weight class.
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Ibtihaj Muhammad, the first American to wear a hijab in the Olympics, reacts on the piste as she competes against France's Cecilia Berder in a fencing bout. Berder won 15-12 to advance to the quarterfinals of the sabre competition.
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U.S. rider Clark Montgomery, on Loughan Glen, takes part in the cross-country test of the eventing competition.
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France's Estelle Nze-Minko, left, competes against Russia's Irina Bliznova during a preliminary handball match.
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Agatha Bednarczuk of Brazil dives during a beach volleyball match against Ana Gallay and Georgina Klug of Argentina.
