heart rate training

I Stopped My Fasted Cardio Routine After One Heart Rate Monitor Reading

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I Stopped My Fasted Cardio Routine After One Heart Rate Monitor Reading

For years, black coffee before fasted morning runs seemed like the perfect routine. Then a heart rate monitor showed my heart working far harder than it felt. What I discovered about caffeine, empty stomachs, and cardiovascular stress completely changed how I train.

Why Chugging Water Mid-Run Is Sabotaging Your Heart Rate Data — And Your Performance

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Why Chugging Water Mid-Run Is Sabotaging Your Heart Rate Data — And Your Performance

Your heart rate monitor has been trying to tell you something: chugging water mid-run isn’t helping. A deeper look at cardiovascular drift, plasma volume, and the science of steady hydration reveals why small, regular sips outperform large gulps — and how to reclaim your recovery window.