The Most Important Health Metric You’ve Never Heard Of | Extra Mile @Untapped-Podcast
The Most Important Health Metric You’ve Never Heard Of | Extra Mile  @Untapped-Podcast
Uploaded July 2026 | Updated September 2026, 2 days ago
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Heart Rate Variability (HRV) is one of the most talked-about health metrics, but what does it actually tell you?

Spencer and physiologist Oli Patrick explain why HRV measures the tiny variations between each heartbeat, and how those fluctuations reveal how well your body is coping with training, stress and recovery.

They break down why there is no universal "good" HRV score, why your own baseline matters more than comparing yourself to others, and how HRV offers a unique window into your nervous system. You'll also learn why overtraining and chronic stress have the same physiological effects, and why alcohol is one of the biggest disruptors of recovery.

Discover how tracking your HRV over time can help you make smarter decisions around sleep, training and recovery to improve both your running performance and long-term health.


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