Usain Bolt of Jamaica wins the men's 100m final,<a target="_blank"> becoming the first Olympic sprinter to win three consecutive 100-meter gold medals.</a>
Usain Bolt of Jamaica wins the men's 100m final, becoming the first Olympic sprinter to win three consecutive 100-meter gold medals.
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Chinese diver Qin Kai proposes to silver medalist diver He Zhi.
Chinese diver Qin Kai proposes to silver medalist diver He Zhi.
Wong Maye-E/AP
South Africa's Wayde van Niekerk takes the lead in the men's 400-meter final. He went on to claim the gold and set a new world record.
South Africa's Wayde van Niekerk takes the lead in the men's 400-meter final. He went on to claim the gold and set a new world record.
David Goldman/AP
Angola's Albertina Cruz Kassoma, center, is fouled by Spain's Elizabet Chavez during a women's preliminary handball match.
Angola's Albertina Cruz Kassoma, center, is fouled by Spain's Elizabet Chavez during a women's preliminary handball match.
Matthias Schrader/AP
Australia's David Andersen drives to the basket past Venezuela's Nestor Colmenares.
Australia's David Andersen drives to the basket past Venezuela's Nestor Colmenares.
Charlie Neibergall/AP
Sarah Elizabeth Robles of the US reacts after winning bronze in the women's +75kg weightlifting.
Sarah Elizabeth Robles of the US reacts after winning bronze in the women's +75kg weightlifting.
LARRY W. SMITH/EPA
Iran's Saeid Morad Abdvali celebrates after winning the bronze medal in the men's Greco-Roman 75 kg competition.
Iran's Saeid Morad Abdvali celebrates after winning the bronze medal in the men's Greco-Roman 75 kg competition.
Markus Schreiber/AP
US goalie Merrill Moses saves a shot against Italy during in a men's water polo preliminary round match. The Americans won 10-7.
US goalie Merrill Moses saves a shot against Italy during in a men's water polo preliminary round match. The Americans won 10-7.
GABRIEL BOUYS/AFP/Getty Images
The Finn Class fleet in action during their second race of the day.
The Finn Class fleet in action during their second race of the day.
Clive Mason/Getty Images
Andy Murray returns to Juan Martin del Potro of Argentina in the men's tennis final. The British player retained his title.
Andy Murray returns to Juan Martin del Potro of Argentina in the men's tennis final. The British player retained his title.
Charles Krupa/AP
Bubba Watson's shoes are seen during the final round of men's golf, <a target="_blank">won by Britain's Justin Rose.</a>
Bubba Watson's shoes are seen during the final round of men's golf, won by Britain's Justin Rose.
Scott Halleran/Getty Images
Brazil's Larissa Franca, center, is hugged by supporters after reaching the semifinals of the women's beach volleyball tournament with partner Talita Antunes.
Brazil's Larissa Franca, center, is hugged by supporters after reaching the semifinals of the women's beach volleyball tournament with partner Talita Antunes.
Marcio Jose Sanchez/AP
Canada's Eric Lamaze on Fine Lady competes during the equestrian's show jumping first qualifier event.
Canada's Eric Lamaze on Fine Lady competes during the equestrian's show jumping first qualifier event.
JOHN MACDOUGALL/AFP/Getty Images
Brazil's Diego Hypolito competes in the men's floor event final of the artistic gymnastics.
Brazil's Diego Hypolito competes in the men's floor event final of the artistic gymnastics.
THOMAS COEX/AFP/Getty Images
Simone Biles smiles on the podium after <a target="_blank">winning the gold medal in the women's vault event final.</a>
Simone Biles smiles on the podium after winning the gold medal in the women's vault event final.
BEN STANSALL/AFP/Getty Images
Dorian van Rijsselberghe of the Netherlands celebrates winning the overall Men's RS:X windsurfing class.
Dorian van Rijsselberghe of the Netherlands celebrates winning the overall Men's RS:X windsurfing class.
Mark Kolbe/Getty Images
Justin Rose of Great Britain celebrates after <a target="_blank">winning in the final round of men's golf.</a>
Justin Rose of Great Britain celebrates after winning in the final round of men's golf.
Scott Halleran/Getty Images
Chinese diver He Zi enters the water in the Women's 3m Springboard final. She won silver <a target="_blank">and then received a wedding proposal from her boyfriend.</a>
Chinese diver He Zi enters the water in the Women's 3m Springboard final. She won silver and then received a wedding proposal from her boyfriend.
MARTIN BUREAU/AFP/Getty Images
Demarcus Cousins, right, shoots against Joffrey Lauvergne of France during a men's preliminary round Group A basketball game, which the US won 100-97.
Demarcus Cousins, right, shoots against Joffrey Lauvergne of France during a men's preliminary round Group A basketball game, which the US won 100-97.
Harry How/Getty Images
Max Whitlock won gold in the men's pommel horse final and also triumphed in the floor exercise -- the first Olympic titles won by a British gymnast.
Max Whitlock won gold in the men's pommel horse final and also triumphed in the floor exercise -- the first Olympic titles won by a British gymnast.
BEN STANSALL/AFP/Getty Images
American tennis player Bethanie Mattek-Sands celebrates after she and teammate Jack Sock beat compatriots Venus Williams and Rajeev Ram in their mixed doubles gold medal tennis match.
American tennis player Bethanie Mattek-Sands celebrates after she and teammate Jack Sock beat compatriots Venus Williams and Rajeev Ram in their mixed doubles gold medal tennis match.
MARTIN BERNETTI/AFP/Getty Images
Jemima Sumgong of Kenya becomes emotional during the podium ceremony for the Women's Marathon on Sunday, August 14. Sumgong is the first woman to win a gold medal in Olympic Marathon running for Kenya.
Jemima Sumgong of Kenya becomes emotional during the podium ceremony for the Women's Marathon on Sunday, August 14. Sumgong is the first woman to win a gold medal in Olympic Marathon running for Kenya.
FABRICE COFFRINI/AFP/Getty Images
Athletes compete in the 50m rifle 3 position qualifying event.
Athletes compete in the 50m rifle 3 position qualifying event.
Sam Greenwood/Getty Images
Russia's duet Natalia Ishchenko and Svetlana Romashina compete in the Duets Free Routine preliminaries during the synchronised swimming event. The Russians would go on to win gold.
Russia's duet Natalia Ishchenko and Svetlana Romashina compete in the Duets Free Routine preliminaries during the synchronised swimming event. The Russians would go on to win gold.
MARTIN BUREAU/AFP/Getty Images
Players compete during Badminton Singles on Sunday, August 14.
Players compete during Badminton Singles on Sunday, August 14.
Laurence Griffiths/Getty Images
Bronze medalist Arthur Mariano of Brazil salutes during the medal ceremony for Men's Gymnastics Floor Exercise.
Bronze medalist Arthur Mariano of Brazil salutes during the medal ceremony for Men's Gymnastics Floor Exercise.
Quinn Rooney/Getty Images
Great Britain's Nick Skelton, riding Big Star, competes during the Equestrian Jumping Individual and Team Qualifier.
Great Britain's Nick Skelton, riding Big Star, competes during the Equestrian Jumping Individual and Team Qualifier.
Christian Petersen/Getty Images
Ukraine's fencing team celebrates after winning the men's team epee quarter-final bout against Russia.
Ukraine's fencing team celebrates after winning the men's team epee quarter-final bout against Russia.
KIRILL KUDRYAVTSEV/AFP/Getty Images
Colombian synchronized swimming duet Estefania Alvarez Piedrahita and Monica Sarai Arango Estrada perform during the Duets Free Routine preliminaries.
Colombian synchronized swimming duet Estefania Alvarez Piedrahita and Monica Sarai Arango Estrada perform during the Duets Free Routine preliminaries.
CHRISTOPHE SIMON/AFP/Getty Images
Facundo Callioni of Argentina celebrates with team mate Manuel Brunet after their 2-1 victory in a field hockey match against Spain.
Facundo Callioni of Argentina celebrates with team mate Manuel Brunet after their 2-1 victory in a field hockey match against Spain.
David Rogers/Getty Images
Runners compete in the Women's Marathon on Day 9 of the Rio 2016 Olympic Games on Sunday, August 14.
Runners compete in the Women's Marathon on Day 9 of the Rio 2016 Olympic Games on Sunday, August 14.
David Ramos/Getty Images
A Brazilian fan cheers before the start of the Women's Marathon.
A Brazilian fan cheers before the start of the Women's Marathon.
David Ramos/Getty Images
Members of the Brazilian military patrol the course before the start of the Women's Marathon.
Members of the Brazilian military patrol the course before the start of the Women's Marathon.
David Ramos/Getty Images
Francielle Rocha of Brazil, center, tries to get past Andela Bulatovic, left, and Katarina Bulatovic of Montenegro during a handball match between their two countries.
Francielle Rocha of Brazil, center, tries to get past Andela Bulatovic, left, and Katarina Bulatovic of Montenegro during a handball match between their two countries.
Elsa/Getty Images
Philippe Rozier of France, riding Rahotep De Toscane, looks ahead during the Jumping Individual and Team Qualifier.
Philippe Rozier of France, riding Rahotep De Toscane, looks ahead during the Jumping Individual and Team Qualifier.
Christian Petersen/Getty Images
Mikko Ilonen of Finland takes a shot from the first tee at the Olympic Golf Course.
Mikko Ilonen of Finland takes a shot from the first tee at the Olympic Golf Course.
Ross Kinnaird/Getty Images
Thailand's Ratchanok Intanon returns the birdie to Hong Kong's Yip Pui Yin during their women's singles qualifying badminton match.
Thailand's Ratchanok Intanon returns the birdie to Hong Kong's Yip Pui Yin during their women's singles qualifying badminton match.
ED JONES/AFP/Getty Images
Colombia's Carlos Andres Munoz Jaramillo, in red, is pulled to the ground by Hungary's Peter Bacsi in their men's 75kg greco-roman qualification match during the wrestling event.
Colombia's Carlos Andres Munoz Jaramillo, in red, is pulled to the ground by Hungary's Peter Bacsi in their men's 75kg greco-roman qualification match during the wrestling event.
JACK GUEZ/AFP/Getty Images
Eunice Jepkirui Kirwa of Bahrain tries to stay cool by pouring water on her head as she runs alongside Visiline Jepkesho of Kenya.
Eunice Jepkirui Kirwa of Bahrain tries to stay cool by pouring water on her head as she runs alongside Visiline Jepkesho of Kenya.
David Ramos/Getty Images