With his win over Ryan Lochte and others, Michael Phelps became the first Olympian to win an individual event in three straight Games.
2 of 19Peter Read Miller/SI
Dazzling from start to finish, Gabby Douglas became the third straight U.S. woman to win the all-around and the first to win that title and a team gold at the same Olympics.
3 of 19Heinz Kluetmeier/SI
Down to Business The U.S.'s Rebecca Soni got a slow start in the 200 breast final but roared back to break the world record for the second time in two days and win the gold medal.
4 of 19Simon Bruty/SI
Hours before the opening of track cycling competition, racers from Belgium took a high-speed test run at the Olympic Velodrome.
5 of 19Chris McGrath/Getty Images
In the singles badminton quarterfinal, Xuerui Li of China returns a shot against Pui Yin Tip of Hong Kong. After the recent badminton controversy, Li was able to overlook that and come out on top after just two sets to advance to the semifinals.
6 of 19John W. McDonough/SI
Firth of Froth British paddlers Tim Baillie and Etienne Stott churned their way to a surprise gold medal in whitewater canoe doubles, edging countrymen David Florence and Richard Hounslow.
7 of 19Heinz Kluetmeier/SI
Cullen Jones of the United States dives into the pool during the seventh heat of the 50m freestyle. Jones finished with a time of 21.95 seconds and qualified in sixth place for the semifinal.
8 of 19Bill Frakes/SI
Somewhere under the rainbow, Great Britain's women's field hockey team shut out Belgium 3-0 on the colorful pitch at Riverbank Arena.
9 of 19Heinz Kluetmeier/SI
Swimming next to Chad le Clos, who he had barely lost to in the 200m butterfly earlier in these Games, Michael Phelps swims in a heat of the 100m butterfly. Phelps came in second in the heat, finishing fewer than .2 seconds behind the South African.
10 of 19David E. Klutho/SI
Kayla Harrison basked in Old Glory after defeating Britain's Gemma Gibbons to end a long personal saga and earn the U.S.'s first-ever gold medal in judo.
11 of 19Scott Heavey/Getty Images
British boxer Anthony Ogogo celebrates his victory over Levgen Khytrov of Ukraine in a middleweight (75kg) bout.
12 of 19Christian Petersen/Getty Images
Argentinean forward Luis Scola, of the NBA's Phoenix Suns, goes up for a shot over the Republic of Tunisia's Salah Mejri (15) in the first half of a preliminary round game on Thursday at London's "Marshmallow" Basketball Arena. Although Tunisia -- the only team in the Olympic basketball tournament without an NBA player on its roster -- gave Argentina a scare after building a 14-point lead following the first quarter, the South Americans were paced by Manu Ginobili's 24 points, eventually winning 92-69.
13 of 19Clive Brunskill/Getty Images
Women's No. 1 Victoria Azarenka is overjoyed for her home country of Belarus after defeating Germany's Angelique Kerber, the world's No. 7, in a narrow quarterfinal win, 6-4, 7-5, on Thursday at the All England Club in London. Azarenka, who lost to American Venus Williams in the third round of the 2008 Games in Beijing, will face younger sister Serena, currently ranked No. 4, next in the semis.
14 of 19Ronald Martinez/Getty Images
Canadian trampoline gymnast Rosannagh MacLennan performs a maneuver in this multiple exposure image during her warm-up on Thursday. The Toronto-born 23 year old competes with her more established countrywoman, 31-year-old Karen Cockburn, and the pairing is the defending Olympic silver medalists in the synchronized competition from the 2008 Beijing Games.
15 of 19David J. Phillip/AP
Samantha Arevalo Salinas plunges into the pool during her 800-meter freestyle event. Salinas finished the grueling heat with a time of 8:49:21.
16 of 19Ryan Pierse/Getty Images
Canada's Annie Martin, 30, lays out for a shot on Thursday in a match against world No. 6 Italy during the preliminary round of the Women's Beach Volleyball competition at Horse Guards Parade. Partnered with 34-year-old Marie-Andree Lessard, Martin's efforts were not enough as the Canadian pair dropped the three-setter, 21-12, 22-24, 15-8, ending their Olympic bid, as well as their playing careers.
17 of 19Jamie Squire/Getty Images
The members of the United States women's rowing team throw Mary Whipple, their coxswain -- the on-boat navigator -- overboard in celebration after securing the gold medal in the Women's Eight. The American team has now won consecutive gold medals in the event, plus a silver at the 2004 Games in Athens.
18 of 19Jeff Gross/Getty Images
France's Daniel Narcisse (8) takes a shot, which scored, against Oussama Boughanmi (22) and Marouan Chouiref (31) of the Republic of Tunisia on Thursday during the preliminary stage of the men's handball competition at the Olympic Games in London. France defeated the North African nation 25-19 to stay undefeated through six matches in group play.
19 of 19John Biever/SI
Tyler Clary, a rising challenger to Michael Phelps and Ryan Lochte, was goggle eyed after knocking off the favored Lochte to win the 200 backstroke.
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