The first medals of the Rio Games were awarded early Saturday, with the first gold being won by the United States' Virginia Thrasher in the women's air rifle event. Many other events were taking place Saturday as well, including rowing, judo, gymnastics and field hockey.
Rio Games: Athletes on Day 1

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Cameroon's Stephanie Fotso Mogoung bumps during a women's preliminary volleyball match against Brazil at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 6, 2016.

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Brazil's Sarah Menezes, white, competes against Belgium's Charline Van Snick during the women's 48-kg judo competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 6, 2016.

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Britain's Adam Peaty goes on to break the world record in a heat of the men's 100-meter breaststroke during the swimming competitions at the 2016 Summer Olympics, in Rio de Janeiro, Brazil, Aug. 6, 2016.