Katie Ledecky is congratulated by her U.S. teammates Allison Schmitt, Leah Smith and Emily DiRado after swimming the anchor leg of the 4x200 freestyle on Wednesday, August 10. The gold medal is Ledecky's third of the Rio Games.
Katie Ledecky is congratulated by her U.S. teammates Allison Schmitt, Leah Smith and Emily DiRado after swimming the anchor leg of the 4x200 freestyle on Wednesday, August 10. The gold medal is Ledecky's third of the Rio Games.
Morry Gash/AP
Gabriel Barbosa, top, hugs his Brazilian teammate Neymar after scoring the first goal in a 4-0 victory over Denmark. It was the first goal Brazil had scored in three matches.
Gabriel Barbosa, top, hugs his Brazilian teammate Neymar after scoring the first goal in a 4-0 victory over Denmark. It was the first goal Brazil had scored in three matches.
Leo Correa/AP
Kyle Chalmers of Australia celebrates after <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F08%2F10%2Fsport%2Fkyle-chalmers-australia-michael-phelps%2Findex.html" target="_blank">winning gold</a> in the 100-meter freestyle. He is the first Australian to win the event since Mike Wenden in 1968.
Kyle Chalmers of Australia celebrates after winning gold in the 100-meter freestyle. He is the first Australian to win the event since Mike Wenden in 1968.
Clive Rose//Getty Images
China's Ding Ning, top, reacts after defeating her compatriot Li Xiaoxia to win table tennis gold.
China's Ding Ning, top, reacts after defeating her compatriot Li Xiaoxia to win table tennis gold.
David Goldman/AP
The U.S. basketball team walks off the court after its 98-88 victory over Australia. The Aussies gave the heavily favored Americans a scare, leading by five points at halftime.
The U.S. basketball team walks off the court after its 98-88 victory over Australia. The Aussies gave the heavily favored Americans a scare, leading by five points at halftime.
Eric Gay/AP
Japanese gymnast Kohei Uchimura celebrates after <a href="index.php?page=&url=http%3A%2F%2Fedition.cnn.com%2F2016%2F08%2F10%2Fsport%2Fmens-gymnastics-kohei-uchimura%2Findex.html" target="_blank">winning the individual all-around.</a> Uchimura also won the all-around in 2012.
Japanese gymnast Kohei Uchimura celebrates after winning the individual all-around. Uchimura also won the all-around in 2012.
Alex Livesey/Getty Images
U.S. beach volleyball player Kerri Walsh Jennings dives for a ball during a qualifying match.
U.S. beach volleyball player Kerri Walsh Jennings dives for a ball during a qualifying match.
YASUYOSHI CHIBA/AFP/Getty Images
A fan watches archery under pouring rain in Rio de Janeiro.
A fan watches archery under pouring rain in Rio de Janeiro.
JEWEL SAMAD/AFP/Getty Images
American cyclist Kristin Armstrong shows her gold medal to her son, Lucas, after <a href="index.php?page=&url=http%3A%2F%2Fedition.cnn.com%2F2016%2F08%2F10%2Fsport%2Fkristin-armstrong-cycling-usa%2Findex.html" target="_blank">winning the time trial</a> for the third straight Olympics. Williams won the event a day before turning 43 years old. She was the oldest woman in the field by seven years.
American cyclist Kristin Armstrong shows her gold medal to her son, Lucas, after winning the time trial for the third straight Olympics. Williams won the event a day before turning 43 years old. She was the oldest woman in the field by seven years.
Bryn Lennon/Getty Images
Nijat Rahimov, a weightlifter from Kazakhstan, celebrates after setting a world-record clean and jerk during the 77-kilogram (170-pound) competition. Rahimov lifted 214 kilograms (471.8 pounds) on the way to winning gold.
Nijat Rahimov, a weightlifter from Kazakhstan, celebrates after setting a world-record clean and jerk during the 77-kilogram (170-pound) competition. Rahimov lifted 214 kilograms (471.8 pounds) on the way to winning gold.
Mike Groll/AP
Madeleine Samantha Bodo Essissima plays a shot for Cameroon during a volleyball match against Russia.
Madeleine Samantha Bodo Essissima plays a shot for Cameroon during a volleyball match against Russia.
JOHANNES EISELE/AFP/Getty Images
Chinese field hockey players wear protective face masks as they wait for a corner shot from the Netherlands.
Chinese field hockey players wear protective face masks as they wait for a corner shot from the Netherlands.
Hussein Malla/AP
Tunisian fencer Ines Boubakri, left, competes against Italy's Elisa Di Francisca during a semifinal bout in the individual foil competition. Di Francisca advanced to the final but lost to Russia's Inna Deriglazova.
Tunisian fencer Ines Boubakri, left, competes against Italy's Elisa Di Francisca during a semifinal bout in the individual foil competition. Di Francisca advanced to the final but lost to Russia's Inna Deriglazova.
FABRICE COFFRINI/AFP/Getty Images
Evgeny Kuznetsov and Ilya Zakharov, synchronized divers from Russia, compete in the 3-meter springboard final.
Evgeny Kuznetsov and Ilya Zakharov, synchronized divers from Russia, compete in the 3-meter springboard final.
Adam Pretty/Getty Images
Chinese gymnast Chaopan Lin competes on the parallel bars during the individual all-around.
Chinese gymnast Chaopan Lin competes on the parallel bars during the individual all-around.
Alex Livesey/Getty Images
Fans watch a men's beach volleyball match.
Fans watch a men's beach volleyball match.
Paul Gilham/Getty Images
Croatian sailor Tina Mihelic competes in the women's laser radial class.
Croatian sailor Tina Mihelic competes in the women's laser radial class.
WILLIAM WEST/AFP/Getty Images
Synchronized divers practice for the 3-meter springboard event.
Synchronized divers practice for the 3-meter springboard event.
Kaestle/dpa/Newscom
Russian handball player Victoria Zhilinskayte, left, competes against Sweden's Linnea Torstensson during a preliminary match.
Russian handball player Victoria Zhilinskayte, left, competes against Sweden's Linnea Torstensson during a preliminary match.
FRANCK FIFE/AFP/Getty Images
Azerbaijan's Oleg Stepko performs on the rings during the men's individual all-around.
Azerbaijan's Oleg Stepko performs on the rings during the men's individual all-around.
Julio Cortez/AP
Chinese weightlifter Yanmei Xiang won the gold in the 69-kilogram (152-pound) weight class.
Chinese weightlifter Yanmei Xiang won the gold in the 69-kilogram (152-pound) weight class.
Julian Finney/Getty Images
American basketball player Tina Charles shoots a free throw against Serbia.
American basketball player Tina Charles shoots a free throw against Serbia.
JAVIER SORIANO/AFP/Getty Images
U.S. swimmer Michael Phelps competes in a preliminary race for the 200-meter individual medley. He will race in the final on Wednesday.
U.S. swimmer Michael Phelps competes in a preliminary race for the 200-meter individual medley. He will race in the final on Wednesday.
FRANCOIS-XAVIER MARIT/AFP/Getty Images
Germany's Lisa Unruh shoots an arrow during the individual archery competition.
Germany's Lisa Unruh shoots an arrow during the individual archery competition.
JEWEL SAMAD/AFP/Getty Images
Brazilian fencer Tais Rochel, left, faces off against Saudi Arabia's Lubna Al-Omair during the women's individual foil competition.
Brazilian fencer Tais Rochel, left, faces off against Saudi Arabia's Lubna Al-Omair during the women's individual foil competition.
Dean Mouhtaropoulos/Getty Images
Russian boxer Vladimir Nikitin is attended to following an injury suffered in a bantamweight bout.
Russian boxer Vladimir Nikitin is attended to following an injury suffered in a bantamweight bout.
YURI CORTEZ/AFP/Getty Images
U.S. swimmer Ryan Murphy competes in a preliminary race for the 200-meter backstroke. Murphy won gold in the 100-meter backstroke earlier this week.
U.S. swimmer Ryan Murphy competes in a preliminary race for the 200-meter backstroke. Murphy won gold in the 100-meter backstroke earlier this week.
FRANCOIS-XAVIER MARIT/AFP/Getty Images
The diving pool has been dark green since Monday, and now the water polo pool, left, <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F08%2F10%2Fsport%2Frio-olympics-second-green-pool-trnd%2Findex.html" target="_blank">is also starting to turn green.</a> Rio organizers said the cause is likely due to algae and that water tests showed there were no health risks.
The diving pool has been dark green since Monday, and now the water polo pool, left, is also starting to turn green. Rio organizers said the cause is likely due to algae and that water tests showed there were no health risks.
Matt Dunham/AP
North Korean table tennis player Kim Song-i focuses on the ball during her semifinal match against Ding Ning of China. Ding advanced to the gold-medal match, which she won.
North Korean table tennis player Kim Song-i focuses on the ball during her semifinal match against Ding Ning of China. Ding advanced to the gold-medal match, which she won.
Getty Images/Getty Images
Volunteers dry a rain-soaked court at the Olympic Tennis Center.
Volunteers dry a rain-soaked court at the Olympic Tennis Center.
Clive Brunskill/Getty Images
British canoeist Joseph Clarke celebrates after winning the K-1 slalom final.
British canoeist Joseph Clarke celebrates after winning the K-1 slalom final.
OLIVIER MORIN/AFP/Getty Images
Italy's David Pasqualucci shoots an arrow during the individual archery competition.
Italy's David Pasqualucci shoots an arrow during the individual archery competition.
JEWEL SAMAD/AFP/Getty Images
Great Britain's Chloe Tutton competes in the 200-meter breaststroke.
Great Britain's Chloe Tutton competes in the 200-meter breaststroke.
ODD ANDERSEN/AFP/Getty Images
South Korean fencer Kim Jung-hwan celebrates after beating Georgia's Sandro Bazadze in the men's individual sabre competition. Kim finished with the bronze medal.
South Korean fencer Kim Jung-hwan celebrates after beating Georgia's Sandro Bazadze in the men's individual sabre competition. Kim finished with the bronze medal.
FABRICE COFFRINI/AFP/Getty Images