Running Pace Calculator
Calculate running pace and heart rate zones. Free & local.
Pace Heart zones No signup
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Age
Max heart rate—
Heart rate zones
How it works
1
Enter distance
Enter the distance you ran.
2
Enter time
Enter the time it took.
3
See pace
Get pace per km plus heart rate zones by age.
Why use Ercc Running Pace?
Instant pace
Convert distance and time to pace per km.
Heart zones
Get max heart rate and training zones by age.
Local
Runs in your browser.
FAQ
Frequently Asked Questions
Pace = total time / distance. It tells you minutes per kilometer.
A common estimate is 220 minus your age, though it varies by individual.
About 60-70% of max heart rate, where the body uses more fat for energy.
Consistent training, interval runs and strength work help lower your per-km pace.
Yes, 100% free.