One of the world's most renowned ultramarathon runners is here to talk about her mental and physical preparation for races, why she runs and her attempt to break a coast-to-coast speed record set more than 30 years ago.
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For more on Lisa's quest to "run the nation" and for how you can donate, visit http://runthenation.org
For more on the Tyler Robinson foundation, visit http://www.trf.org/