The first medals were awarded in swimming, with the Americans claiming six, led by Chase Kalisz’s gold in the men’s 400-meter individual medley.
The U.S. men’s basketball team gets into action in their version of pool play Sunday against France. Meanwhile, skateboarding and surfing made their debuts as official Olympic sports.
And Simone Biles makes her debut in Tokyo as the women’s qualification round begins in gymnastics.
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