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Relentless Forward Progress

audiobook


Dean Karnazes's Ultramarathon Man and Chris McDougall's Born to Run have inspired tens of thousands to try these seemingly superhuman distances. But to date, there has been no practical guide to ultramarathoning. Now, Bryon Powell has written Relentless Forward Progress, the first how-to manual for aspiring ultrarunners.


Narrator: Patrick Lawlor

Duration: