<img src="https://assets.podomatic.net/ts/f4/32/97/sescorcia/3000x3000_9938955.jpg" alt="itunes pic" /><br />RunColo Training interviews Ben Greenfield, author of "Beyond Training: Mastering Endurance, Health and Life." We talk heart rate variability, high intensity interval training and how Ben would train for a marathon.

RunColo Training interviews Ben Greenfield, author of "Beyond Training: Mastering Endurance, Health and Life." We talk heart rate variability, high intensity interval training and how Ben would train for a marathon.

<br>RunColo Training interviews Ben Greenfield, author of "Beyond Training: Mastering Endurance, Health and Life." We talk heart rate variability, high intensity interval training and how Ben would train for a marathon.

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Ben Greenfield Interview

Ben Greenfield Interview