TODAY | October 14, 2013
>>> an american woman joined the raings ranks of the world's bravest daredevil. she put her reputation and life on the line.
>> reporter: it's been called the ultimate challenge. 14 wingsuit flyers prepare to hurl themselves off a chinese mountain to see who is fastest. an event so extreme one competitor died in practice. among five americans competing was a new yorker now living in france.
>> there's nothing in the world like this. really.
>> reporter: for her, an added cliff hanger , she's the only woman.
>> we really fly just as well as the boys, we fly just as fast as them.
>> reporter: then it was game on. launching themselves into the valley below. streaking across the sky like jet fighters , before deploying the parachutes that would bring them safely to ground. getting the launch right is vital. it takes a lot of concentration, a lot of skill, and an awful lot of nerve.
>> 3, 2, 1, smoke.
>> reporter: though her time fell short of a place in the finals, it was still one of her best.
>> i'm so happy right now.
>> reporter: she knows in this young, fast growing sport, there will be more adrenaline filled opportunities for women in the wingsuit. ian williams , china.