Summary: Yolanda Holder is walking into marathon history in 2010 by walking 101 marathons. She will be the new Guinness World Record holder of most marathons in a year by a woman. She'll talk about her journey, her experiences and the process of becoming a world record holder. She is the "Walking Diva," of the marathon world and she's on The Marathon Show. 12:00 noon eastern, 9:00 am pacific and 16:00 GMT
