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Marathon & Beyond Archive · Articles by

Keith P. George And Rob E. Shave

1 articles — Marathon & Beyond contributor. Wrote one piece for the magazine, published in the digital archive at Marathon Handbook.

Vol. 17, No. 5 · 2013 The Heart Of An Ultramarathoner 30 hours of continuous running, the heart may beat 250,000 times and produce 27,000 liters of blood flow. This is an astonishing level of work, and… Keith P. George And Rob E. Shave · 16 min read
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