Runner's World·4 min read·medium
why your heart rate rises on long, easy runs
✦AI Summary
Cardiac drift is a normal physiological response where an athlete's heart rate increases during steady-state exercise without a change in intensity. Experts explain that factors like heat, humidity, and hydration levels contribute to this phenomenon.
Why it matters
Understanding cardiac drift helps runners and endurance athletes monitor their health and adjust their training expectations to avoid overexertion.
Experts explain this common physiological occurrence.
healthscience
Political Bias
Center
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Confidence: 95%
The content is purely educational and based on sports science and medical expert testimony.
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