Kathrine Switzer

German-born American runner (born 1947)

Kathrine Virginia Switzer (born January 5, 1947) is an American marathon runner, author, and television commentator. In 1967, she became the first woman to run the Boston Marathon as an officially registered competitor, having entered as "K.V. Switzer". Switzer's trainer Arnie Briggs, and her boyfriend Thomas Miller, were also in the race.

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