Guide Wesley Williams (left) lines up blind long jumper and sprinter Lex Gillette on the track before making a long jump during practice at the U.S. Olympic Training Center in San Diego. Gillette started losing his sight when he was 8 years old.
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Anita Alvarez and Mariya Koroleva compete in the women's duets synchronized swimming technical routine preliminary on Monday in Rio de Janeiro. Koroleva has suffered several concussions over the years.
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Gold medalists, left to right, Katie Ledecky, Allison Schmitt, Leah Smith and Maya DiRado of the United States pose on the podium during the medal ceremony for the women's 4 x 200 meter freestyle relay final Wednesday.
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