Out of the tens of thousands of prosthetic legs they've made, there's never been any 400-meter athletes run under 50 seconds. So,… — Oscar Pistorius Copy Share Image
“Warm Up Stretch 6 Rounds for Time 400 meter Run 10 Push-ups 10 Sit-ups 10 Burpees Cool Down Stretch” — Coach Clay Copy Share Image
“I managed to beat Michael Phelps’ 400 meter IM time. And not only did I beat his time, but I did it… — Jarod Kintz Copy Share Image
