Edit: Read the article - the reason she was lined up outside the zone was because an official TOLD HER to line up there:
> The four sprinters won their case, which given the stakes and preparation involved in the Olympics bordered on preposterous: a race official lined up Lynna Irby, who ran the second leg, on the wrong spot on the track, Irby’s personal coach Lance Brauman said in a text message.
I wonder what kind of evidence they needed to back that up. Did the official come clean and say "oh, my bad"? weird situation to be in.