- Jennifer L. Scott
Unbreakable Runner: Unleash the Power of Strength & Conditioning for a Lifetime of Running Strong
The sport of running is founded upon unchallenged beliefs about how to train. Unbreakable Runner tears down these traditions to reveal the new rules for fast, powerful running. The creator of CrossFit Endurance, Brian MacKenzie, dispels the tenets of run training like high mileage and high-ca
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