In 1967, Kathrine Switzer was the first woman to run the Boston marathon as a numbered entry. After realizing that a woman was running, race organizer Jock Semple went after Switzer shouting, “Get out of my race and give me those numbers.” Switzer’s boyfriend pushed Semple aside and other male runners created a human shield for Katherine for the duration of the marathon.

In 1967, Kathrine Switzer was the first woman to run the Boston marathon as a numbered entry. After realizing that a woman was running, race organizer Jock Semple went after Switzer shouting, “Get out of my race and give me those numbers.” Switzer’s boyfriend pushed Semple aside and other male runners created a human shield for Katherine for the duration of the marathon.