Switzer is one of the most influential women in distance running, but is often left out of the pantheon of world-changing sporting achievements. Fifty years ago, she did it in four hours and 20 minutes - a difference of just 24 minutes. Switzer finished the 2017 race with at time of 4:44:31. She explained that over 58 percent of runners in the United States are women, a staunch contrast from her beginnings in the sport when nobody believed women could run distances, and officials tried to use violence to stop her from completing the 1967 Boston Marathon. It's going to be great,' Switzer told NESN in an interview ahead of the 2017 Boston Marathon. Now, at the age of 70, she’s completed the race again in honor of her groundbreaking run. She refused to share his contempt, and 50 years ago became the first woman to run the Boston Marathon. She was mocked, derided, and even her own coach didn’t initially believe it was possible for a woman to run a 26-mile course. Kathrine Switzer was told that running a marathon was impossible.

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