The 2012 London Olympics have produced many record breaking performances for the U.S. and now they can add the 4x100m relay to the list. Olympians Carmelita Jeter, Allyson Felix, Tianna Madison, and Bianca Knight ran a flawless race in 40.82 seconds to claim the gold medal in addition to breaking a 27 year old record.
Congratulations ladies!!!












