and I was ready to swim my race , '' she said . Michael Phelps wins men 's 100 m butterfly for 17th Olympic gold medal . Missy Franklin breaks world record to win women 's 200 m backstroke . Anna Ledecky beats home favorite Rebecca Jones in women 's 200 m . Florent Manaudou of France prevents U.S. clean sweep in men 's 50 free .
Michael Phelps wins men 's 100 m butterfly for 17th Olympic gold medal . Missy Franklin breaks world record to win women 's 200 m backstroke . Anna Ledecky beats home favorite Rebecca Jones in women 's 200 m . Florent Manaudou of France prevents U.S. clean sweep in men 's 50 free .