London 2012 Track and FIeld: 100M Women's Finals, U.S. Dawn Harper Gets Silver, Lolo Jones 4th

Sally Pearson from Team Australia took home the gold at the 100-meter hurdles final on Aug. 7, earning her country their fourth gold medal, with her Olympic record time of 12.35.

Defending world champion and Team USA athlete Dawn Harper took home the silver with 12.37. She lost the title disappointing the millions of American fans that wanted America to continue to reign supreme.

Like Us on Facebook

Competing in a steady downpour of rain, American Lolo Jones, who has been the talk of the town because of her success in the 2008 Games, came in fourth.

Pearson, 25, won silver behind Harper in the 2008 Olympics but this time she turned the tables around. She also won the gold in the 100-meter hurdles at the 2011 World Championships. Pearson's personal best of 12.28 seconds is the fourth fastest time in history, according to NBC.  

USA still holds the most track and field medals, with a total of 13. The women's hurdles continue on Aug. 8 and go until Aug. 11, the day before the official last day of the Olympic Games.

To watch a replay of the relay and for live streaming of all sporting, visit NBC's official website for the 2012 Olympic Games.