Run By Heart Rate, Not Pace
15:41–17:35 · 114s
John delivers a hard-earned lesson: monitor heart rate over pace. He recounts hitting 178 bpm at 9 km, triggering an inevitable shutdown timeline.
15:41–17:35 · 114s
John delivers a hard-earned lesson: monitor heart rate over pace. He recounts hitting 178 bpm at 9 km, triggering an inevitable shutdown timeline.
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