Couldn't walk so she ran

She was the 20th of 22children.when she was four she had double pneumonia and scarlet fever ,a deadly combination that left her with unusable leg.Doctors told her that she would neverwalk normally.In Five Years,she walked, a medical wonder.Then she decided she would become the world's fastest runner.people said she was crazy.but in the 1960 olympics,she Wilma Rudolph won 3 gold in the track events.If there was a case of " if you can think it you can achieve it" it was this