What inspired the detailed training routines in this ultrarunning guide?
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Hal Koerner's Field Guide to Ultrarunning

Hal Koerner's Field Guide to Ultrarunning
Обсуждение читателей уже открыто. Проверенный автор сможет присоединиться после заявления этого профиля.
What inspired the detailed training routines in this ultrarunning guide?
Did anyone else feel motivated to try ultrarunning after reading this?
How did the author decide which tips to include for injury prevention?