London Olympics 2012: Astonishing Moments From August 7 (PHOTOS)

The U.S. gymnastics team had another big win on Day 11 of the 2012 London Summer Olympics when Aly Raisman won gold in the women's floor exercise. Raisman, like teammate Gabby Douglas, will take home two gold medals in gymnastics. Catalina Ponor of Romania nabbed silver for her floor routine and Aliya Mustafina of Russia took bronze.

Jamaica's Usain Bolt continued his reign as leading track star, finishing first in his Round 1 heat in the 200-meter race. Crossing the finish line in 20.39 seconds, Bolt advances to the semifinals, where he'll continue his run for a second gold medal in the 200 meters.

The U.S. women's basketball team heads to Saturday's finals after crushing Canada. Tuesday's semifinal win marks the 39th consecutive Olympics triumph for the women's team.

Beach volleyball sweethearts Kerri Walsh and Misty May-Treanor bested China's team 22-20, 22-20. After winning the two closely fought matches, the pair moves on to the final round where they will compete for their third beach volleyball gold medal.

Tuesday's events include qualifying rounds in basketball, beach volleyball, boxing, canoeing, equestrian, field hockey, handball, soccer, volleyball and water polo -- plus medal events in cycling, diving, gymnastics, sailing, synchronized swimming, table tennis, track and field, triathlon, weightlifting and wrestling.

Check out the gallery below to see some of the best photos from day 11 of the 2012 Summer Olympic Games.

PHOTOS: Olympics Day 11, 08/07/12