Running four marathons in five weeks wasn't enough. Running 10 marathons in a year wasn't enough. Running more than 70 marathons during her lifetime wasn't enough.
원문출처 : http://www.cnn.com/2017/03/15/health/70-year-old-marathon-seven-continents/index.html
원문출처 : http://www.cnn.com/2017/03/15/health/70-year-old-marathon-seven-continents/index.html