51 years ago she overcame adversity to be the first woman to run the Boston Marathon wearing a numbered bib. Today she runs the London Marathon aged 71. Shout out to Katharine Switzer, a true pioneer and kickass female, and to everyone running today. YOU GOT THIS. 🏃♀️ 🏃♂️ #lifegoals #motivatoon #londonmarathon #instarun #runner