Fifty years later, she finished the race a second time, donning the same number: 261. Yesterday, the now 70-year-old became one of the oldest women to run it in under five hours, completing the same track 50 years later. Rupp, the Olympic marathon bronze medallist, ran 2:09:58, a personal best, and Osako ran 2:10:28 in his debut. But she kept on running.

In the women's race, Edna Kiplagat pulled away from a pack of elite runners and cruised nearly unchallenged to the Boston Marathon women's title Monday. Tews said she arrived an hour early to get a good seat, then talked to the running icon afterward and got her autograph. After she crossed the finish line, the Boston Athletic Association retired her bib number.

Switzer captured the occasion with a video near the spot where Semple attempted to yank her off the course and posted it on her Facebook page.

This helped speed up her recovery time.

It was all captured in an iconic photograph that galvanized the women's movement and helped change the game for female athletes.

"It changed everything", she said. A woman named Roberta Gibb had run the previous year unregistered.

It was her second time running the marathon with Tedy's Team, and her third go at Boston. This time she didn't have to dodge an angry course director, but was instead accompanied by 261 supporters who ran alongside her.

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The club started putting on events, and eventually she got sponsored.

Kathrine is just one of a handful of courageous women who entered races when it was forbidden, but what makes her so special is what she's done with her notoriety.

"It grew, grew, grew", she explained. In 2011, she was inducted into the National Womens Hall of Fame in Seneca Falls, New York, where they quote Laurel Thatcher Ulrich: “Well-behaved women seldom make history.”.

"People have such an appreciation for what running has done for them and how it's changed their lives", said Switzer, who named her 261 Fearless foundation after the bib number that was almost torn from her back on the marathon course.

"I didn't plan to do anything but try to cover 26 miles, 385 yards", Switzer said. To take the first step. Krueger focused on staying close to eight minutes per mile while making sure to stay hydrated and those efforts generally paid off with a time of 3:34:57, including a second half barely three minutes slower than the first despite longer stops at water stations and significantly more incline.

On Monday, as a marathon medal was hung around her neck and photographers and camera crews swarmed her, women were heard chanting, "Thank you, Kathrine! And if you can run a marathon, you can do anything".