In December 1971, Cheryl Bridges (now Cheryl Treworgy) became the first woman in the world to break 2:50 in the marathon. Treworgy decided to try running in 1964, when she was in high school; though she had no girls' teams to train with, she soon began competing and excelling. Eventually, she ran on five world cross-country teams and came in fourth at the 1969 international cross-country championships. A little more than three decades after Treworgy's world-record marathon, one of her daughters, Shalane Flanagan, started winning championships, and she medaled at the 2008 Olympics. Once Treworgy retired from competitive running, she stayed close to the sport in other ways, including coaching, becoming a university's assistant athletic director, and even training herself in photography, covering track and cross country meets as a professional photographer. Because of what she got out of running, Treworgy says she "became an advocate for any woman who really wanted to run or participate in a kind of athletic endeavor."  

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