Yuki Uchiyama
After competing on the uneven bars, the Japanese gymnast can hardly contain her glee.
Jefferson Santos Pereira
Sweet victory! The volleyball player from Qatar is beyond thrilled during his qualifying match against Spain.
Mariana Silva
Congratulations! The judoka from Brazil defeats Israel's Yarden Gerbi during the 63-kilogram quarterfinals.
Dieudonne Wilfred Seyi Ntsengue
The boxer from Cameroon defeats Colombia's Jorge Luis Vivas.
Sukanya Srisurat
Hooray: The weightlifter from Thailand is victorious during the 58-kilogram Group A contest.
Adrian Crisan
The Romanian table tennis player's face says it all as he wins his singles qualification match against France's Emmanuel Lebesson.
Serena Williams
Yes! The tennis champ scores a point during her first round singles match against Daria Gavrilova of Australia.
Alexander Naddour
Stick it! The U.S. gymnast is thrilled with his vault during the team competition.
Barbara Seixas De Freitas & Ágatha Bednarczuk
Hometown heroes: The Brazilian volleyball duo win their qualifying match against Argentina.
DeMarcus Cousins & Carmelo Anthony
Hug it out! The American basketball players celebrate from the bench during the game against Venezuela.
Katinka Hosszú
Congrats! The Hungarian swimmer wins the 400-meter individual medley.
Chad Le Clos
Someone's ready for fun! The South African swimmer shows off his silly side ahead of the 200-meter butterfly final.
Kelsey Robinson & Kayla Banwarth
The American volleyball teammates embrace after winning their qualifying match against The Netherlands.
David Sanchez Lopez
The Spanish weightlifter is more than pleased with his performance during the 69-kilogram Group B contest.
Yue Yuan
All smiles! The Chinese volleyball player has a ball during the match against the U.S.
Katinka Hosszú
Golden girl: The Hungarian swimmer earns the top prize in the 100-meter backstroke.