2016 Rio Summer Olympics

Olympic Moments: Highlights From Day 2

The second full-day of events at the Rio Olympics included Katie Ledecky setting an Olympic record and more.

Katie Ledecky celebrates winning gold and setting a new world record in the women's 400m freestyle final. She won with a time of three minutes, 56.46 seconds breaking the existing world record - her own, set in 2014 - by about two seconds. Clive Rose / Getty Images

Gold medalists Nathan Adrian, Ryan Held, Michael Phelps and Caeleb Dressell during the medal ceremony for the final of the Men's 4 x 100m freestyle relay. It took the team three minutes, 9.92 seconds to win.

Clive Rose / Getty Images

Serena and Venus Williams during their match against Lucie Sarfarova and Barbora Strycova, of the Czech Republic. The sisters lost in straight sets marking their first-ever Olympic loss as a duo.

Maria Ribera of Spain carries the ball under pressure from Irene Otieno of Kenya during the women's pool B rugby match. David Rogers / Getty Images
Brittney Griner (L) and guard Sue Bird (R) defend against Senegal's Maimouna Diarra during a women's round group B basketball match. JAVIER SORIANO / AFP - Getty Images
Simone Biles competes in the qualifiers for the women's floor event of the artistic gymnastics. EMMANUEL DUNAND / AFP - Getty Images
Emma Tonegato of Australia scores as she is tackled by Leyla Alev Kelter. PHIL NOBLE / Reuters

Michael Phelps, right, Danila Izotov of Russia, Kyle Chalmers of Australia, Yuri Kisil of Canada and Jasper Aerents of Belgium compete in the final of the men's 4 x 100m freestyle relay.

Adam Pretty / Getty Images
Lucie Safarova and Barbora Strycova celebrate after their win. MARTIN BERNETTI / AFP - Getty Images
Taiwan's Tan Chi-Chung competes during the men's 56kg weightlifting event. GOH CHAI HIN / AFP - Getty Images

Venus Williams bawls after losing a point in a doubles match with her sister Serena against the Czechs.

Charles Krupa / AP
Surinam's Evita Leter competes in the women's 100m breaststroke heats. CHRISTOPHE SIMON / AFP - Getty Images
Lucie Safarova and Barbora Strycova of Czech Republic celebrate after winning their match against Serena and Venus Williams. TOBY MELVILLE / Reuters

Michael Phelps celebrates during the men's 4 x 100m freestyle relay.

Ian MacNicol / Getty Images
Gerek Meinhardt (L) competes against France's Erwan le Pechoux during the men's individual foil qualifying bout. FABRICE COFFRINI / AFP - Getty Images

Dustin Brown of Germany reels in pain after being injured during his match against Thomaz Bellucci of Brazil.

Full Coverage: Rio Summer Olympics

United States' Aly Raisman performs on the balance beam during the artistic gymnastics women's qualifications. Rebecca Blackwell / AP
Khatuna Narimanidze of Georgia prepares to shoot during women's archery 1/8 eliminations. YVES HERMAN / Reuters
Bronze medalist Leah Smith, gold medalist Katie Ledecky and Silver medalist Jazz Carlin of Britain during the medal ceremony for the women's 400m freestyle final. Clive Rose / Getty Images
Simone Biles of the U.S. hugs team member Aly Raisman as Raisman gets her score during the women's qualifications. MIKE BLAKE / Reuters