17-year-old track star Mary Cain bypasses college track, goes pro

Saturday November 16th, 2013
Mary Cain became the youngest athlete ever to represent the U.S. at the world championships in Moscow this summer.
Jonathan Ferrey/Getty Images

It is a noble attempt, but there is little doubt that if Cain meets her goals, she will, indeed --and quite possibly forever -- be known as Mary the runner.

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