We examined an ultramarathon runner who recently established world records for the 24-hour run and the trans-American run. Although not endowed with extraordinary physical or biochemical advantages, he has nevertheless been able to run ultralong distances without injury.
Lathan SR, Cantwell JD. A Run for the RecordStudies on a Trans-American Ultramarathoner. JAMA. 1981;245(4):367–368. doi:10.1001/jama.1981.03310290035019
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