Michael Phelps wins men 's 200 m individual medley . First individual gold of London Games for Olympic swimmer . Soni won in two minutes 19.59 seconds , the first woman under the magic two minutes 20 second barrier . Marion Jones breaks world record in women 's 200 m breaststroke . Ranomi Kromowidjojo snaps American dominance in women 's 100 m freestyle .
Michael Phelps wins men 's 200 m individual medley . First individual gold of London Games for Olympic swimmer . Marion Jones breaks world record in women 's 200 m breaststroke . Ranomi Kromowidjojo snaps American dominance in women 's 100 m freestyle .