Swimmers Michael Phelps, Katie Ledecky and Missy Franklin earn gold medals
Next gallery »Summer Olympics 2012 day 8: Tennis, swimming, trampoline and more
« Previous gallerySummer Olympics: Day 6: Gymnastics, swimming, rowing and more
United States' Reese Hoffa competes in the men's shot put final during the athletics competition.
Photo Credit: AP Photo/David J. Phillip