It’s only every 4yrs that I realize (again) just how incredible are the American sprinters.
The United States’ women’s 4 X 400-meter relay team from left, Francena McCorory, Allyson Felix, Sanya Richards-Ross and Deedee Trotter celebrate after winning the gold medal during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Aug. 11, 2012.
Gymnastics Coaching.com 