What is a normal resting heart rate?

The American Heart Association calls 60 to 100 bpm normal for adults. Population studies put the mean near 70 with an SD of about 11, so two thirds of adults sit between 59 and 81. Endurance athletes are often in the 40s and 50s.

How rare is a resting heart rate of 109?

About 1 in 5,102 adults have a resting rate this high or higher. That is 3.5 standard deviations above the mean.

Is a resting heart rate of 109 good?

Q: Is a resting heart rate of 109 good?

109 bpm is lower than under 1% of adults, going by a mean of 70 and SD of 11. Above the AHA's normal range of 60 to 100. Persistent readings over 100 at rest are worth a doctor's visit.

A resting heart rate of 109 bpm is lower than under 1% of adults, on a distribution with mean 70 and SD 11. Lower usually means fitter: endurance athletes sit near 50, and the American Heart Association calls 60 to 100 normal.

Percentile

<1%

of adults have a higher resting heart rate than 109 bpm

109 bpm

Very highBand from our heart rate test. The American Heart Association's normal range for adults is 60 to 100 bpm; this is above it, which is worth a check if it persists at rest.

109 bpm by group

Percentile

Normal curve, mean 70, SD 11
Group	Mean	Higher than you	1 in X
Adults	70 bpm	<1%	1 in 5,102

Reference points

Common reference rates and the share of adults above each
Who	bpm	Adults higher
Endurance athletes, typical	50	97%
AHA normal range, low end	60	82%
Adult mean	70	50%
AHA normal range, high end	100	<1%
This page	109	<1%

Bands

Share of adults in each band of our heart rate test, from the normal curve
Band	Resting bpm	Share of adults
Athletic	up to 50	3%
Excellent	51 to 60	15%
Good	61 to 70	32%
Above average	71 to 80	32%
Below average	81 to 90	15%
High	91 to 100	3%
Very high	over 100	<1%

Percentile is the share of adults with a higher resting heart rate, so a lower rate gives a higher percentile. “1 in X” counts the rarer side: people at or beyond this value above the median, at or under it below. Percentiles are estimated from a normal distribution with mean 70 bpm and SD 11.

What this means

109 bpm is about 156,960 beats a day, 57.3 million a year. At the mean of 70 it is 100,800 a day, so this heart does 56,160 more.
Endurance athletes often rest near 50 bpm, and the lowest widely reported, for the cyclist Miguel Indurain, was 28. 109 is 59 bpm above the athlete mark.
Over 100 at rest is tachycardia on paper. Most causes are benign and temporary, such as caffeine, fever or anxiety, but persistent readings over 100 are a reason to see a doctor.
Measure after five quiet minutes, count a full 60 seconds, and do it on a few mornings. Caffeine, heat, a cold, a short night and the act of being measured all push the number up.

Questions

Is a resting heart rate of 109 good?: 109 bpm is lower than under 1% of adults, going by a mean of 70 and SD of 11. Above the AHA's normal range of 60 to 100. Persistent readings over 100 at rest are worth a doctor's visit.
What is a normal resting heart rate?: The American Heart Association calls 60 to 100 bpm normal for adults. Population studies put the mean near 70 with an SD of about 11, so two thirds of adults sit between 59 and 81. Endurance athletes are often in the 40s and 50s.
How rare is a resting heart rate of 109?: About 1 in 5,102 adults have a resting rate this high or higher. That is 3.5 standard deviations above the mean.

Source: Resting heart rate distribution: Janssen et al. 1993 and Cooney et al., JAMA Internal Medicine 2013, adult mean about 70 bpm, SD 11. Normal range 60 to 100: American Heart Association. Percentiles are estimated from a normal distribution with mean 70 bpm and SD 11.

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