The first complete day of competition on August 6 saw three new swimming world records fall as well as plenty of action in other sports, including judo, road cycling, volleyball, basketball, shooting, and archery.
Rio Olympics, Day 1
The Rio Olympics are now in full swing after the Summer Games were declared officially open on August 5 in Brazil.

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Members of the South Korean team compete in the men's archery semifinal. The Koreans eventually won gold in the men's team competition.

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Gergo Zalanki of Hungary (right) and Nikola Jaksic of Serbia grapple with each other in an early round of the men's water polo competition.

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Elaheh Ahmadi of Iran takes aim during qualification for the women's 10-meter air rifle competition.

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Virginia Thrasher (center) from the United States celebrates after winning the first gold medal of the Rio Games in the 10-meter air rifle competition.