Resting HR is a free, daily fitness biomarker. Most people never check it.
There is a lot of jargon around this one. Strip it away and the math is genuinely simple. Resting HR is a free, daily fitness biomarker. Most people never check it.
60–100 bpm. Endurance athletes often sit 40–55. Elite cyclists below 35.
Stress, dehydration, illness, alcohol, poor sleep — all bump RHR 5–15 bpm.
Consistent aerobic training drops RHR 1 bpm/month for the first 6 months.
Is low RHR always good? Mostly yes — but extreme bradycardia (<40) with symptoms warrants checking.
What about HRV? Heart-rate variability is a richer signal; pair with RHR for full picture.
Bookmark the calculator linked above — you will need it more often than you think.