Day 4: The best photos of the Olympics

U.S. swimmer Allison Schmitt competes in the women's 200-meter freestyle final on Day 4 of the London Olympics on Tuesday, July 31. Check out <strong><a href='http://www.cnn.com/2012/07/30/worldsport/gallery/olympics-day-three/'>Day 3 of competition</a></strong> from Monday, July 30. The Games ran through August 12.

U.S. swimmer Allison Schmitt competes in the women's 200-meter freestyle final on Day 4 of the London Olympics on Tuesday, July 31. Check out Day 3 of competition from Monday, July 30. The Games ran through August 12.