Kathrine Switzer, an American woman marathon runner, in Sydney. [Getty Images]

Kathrine Switzer, an American woman marathon runner, in Sydney. April 6, 1983. (Photo by Robert Pearce/Fairfax Media via Getty Images). — see more

Kathrine Switzer, an American woman marathon runner, in Sydney. April 6, 1983. (Photo by Robert Pearce/Fairfax Media via Getty Images).

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