Explaining on Instagram: "Kathrine Switzer made history in 1967 as the first woman to officially run the Boston Marathon, at a time when women were barred from the race. Registered under her initials “K.V. Switzer,” she was attacked mid-race by an official who tried to tear off her bib, but she pushed forward and finished. Her determination sparked global attention and helped open the door for women in long-distance running, leading to the eventual inclusion of the women’s marathon in the Olympi