Normal Resting Heart Rate by Age
Resting heart rate (RHR) is measured in beats per minute (bpm) while completely at rest — ideally first thing in the morning before getting out of bed. The American Heart Association defines the normal adult range as 60–100 bpm.
Men's Resting Heart Rate by Age
| Age | Excellent | Good | Above Average | Average | Below Average |
|---|---|---|---|---|---|
| 18–25 | Under 56 | 56–61 | 62–65 | 66–69 | 70–73 |
| 26–35 | Under 55 | 55–61 | 62–65 | 66–70 | 71–74 |
| 36–45 | Under 56 | 56–62 | 63–66 | 67–70 | 71–75 |
| 46–55 | Under 57 | 57–63 | 64–67 | 68–71 | 72–76 |
| 56–65 | Under 57 | 57–61 | 62–67 | 68–71 | 72–75 |
| 65+ | Under 56 | 56–61 | 62–65 | 66–69 | 70–73 |
Women's Resting Heart Rate by Age
| Age | Excellent | Good | Above Average | Average | Below Average |
|---|---|---|---|---|---|
| 18–25 | Under 61 | 61–65 | 66–69 | 70–73 | 74–78 |
| 26–35 | Under 60 | 60–64 | 65–68 | 69–72 | 73–76 |
| 36–45 | Under 61 | 61–65 | 66–69 | 70–73 | 74–78 |
| 46–55 | Under 61 | 61–65 | 66–69 | 70–73 | 74–77 |
| 56–65 | Under 61 | 61–64 | 65–68 | 69–73 | 74–77 |
| 65+ | Under 60 | 60–64 | 65–68 | 69–72 | 73–76 |
*Source: American Heart Association; Shvartz & Reibold (1990) normative data tables.*
Athlete Resting Heart Rates
Endurance training lowers resting heart rate through cardiac remodeling — the heart grows larger (particularly the left ventricle), pumping more blood per beat. This allows the same cardiac output at fewer beats per minute:
| Athlete Type | Typical RHR | Notes |
|---|---|---|
| Sedentary adult | 70–90 bpm | Normal population average |
| Recreational runner (3×/week) | 60–70 bpm | Mild aerobic adaptation |
| Trained distance runner | 50–60 bpm | Significant adaptation |
| Elite endurance athlete | 38–50 bpm | Substantial cardiac remodeling |
| Tour de France cyclists | 28–40 bpm | Extreme cardiac adaptation |
Miguel Indurain (5× Tour de France winner) had a documented resting heart rate of 28 bpm. Lance Armstrong's was reported at 32–34 bpm during peak fitness. These extremes are the result of years of extreme endurance training volume.
How to Measure Your Resting Heart Rate Accurately
- Measure first thing in the morning, before getting up
- Lie still for 2–3 minutes
- Place index and middle fingers on your wrist (radial pulse) or neck (carotid pulse)
- Count beats for 60 seconds (or count for 30 seconds and multiply by 2)
- Record for 3 consecutive mornings and average the results
Modern smartwatches (Apple Watch, Garmin, Fitbit) measure RHR automatically overnight and provide 7-day rolling averages — more accurate than manual spot measurements.
What a High Resting Heart Rate Means
A consistently elevated RHR (above 90 bpm) can indicate: - Physical deconditioning - Dehydration - Stress or anxiety - Poor sleep - Illness or infection - Overtraining (paradoxical elevation) - Caffeine or stimulant use - In some cases, thyroid dysfunction or arrhythmia
A sudden unexplained increase of 5–10 bpm above your normal RHR is a sensitive marker of oncoming illness, overtraining, or inadequate recovery — useful for athletes tracking readiness.
What a Low Resting Heart Rate Means
A RHR under 60 bpm in a non-athlete is called bradycardia. In trained athletes, sub-60 bpm is normal and healthy. In sedentary individuals, bradycardia below 40–45 bpm warrants medical evaluation for: - Sick sinus syndrome - Heart block - Medication effects (beta-blockers predictably lower RHR) - Vasovagal syncope risk
Resting Heart Rate as a Training Tool
Monitoring morning RHR is one of the simplest and most reliable self-monitoring tools for athletes:
| Change | Interpretation |
|---|---|
| Within ±3 bpm of baseline | Normal — train as planned |
| +4–6 bpm above baseline | Elevated stress or mild illness — reduce intensity |
| +7+ bpm above baseline | Rest day recommended; assess for illness or overtraining |
| Declining trend over weeks | Positive aerobic adaptation from training |
| Sustained elevation over weeks | Possible overtraining syndrome — reduce load |
Frequently Asked Questions
Does resting heart rate predict lifespan? A large-scale study of 3 million people (Aune et al., 2017, *European Journal of Preventive Cardiology*) found that each 10 bpm increase in resting heart rate was associated with a 9% increase in all-cause mortality risk. RHR is a meaningful cardiovascular health marker. However, it reflects overall fitness and health status rather than being causally linked to longevity itself.
Can I lower my resting heart rate? Yes — regular aerobic exercise is the most effective method. Zone 2 training (60–70% maximum heart rate) for 150+ minutes per week consistently lowers RHR by 5–15 bpm over 8–12 weeks in previously sedentary individuals. Stress reduction, adequate sleep, and hydration also contribute.
Is a resting heart rate of 50 good? For an athlete, 50 bpm is excellent — it indicates strong aerobic fitness and cardiac adaptation. For a completely sedentary person who doesn't exercise, 50 bpm is surprisingly low and may warrant investigation. Context matters: fitness level determines whether low RHR is a sign of adaptation or pathology.
