Running Pace Calculator
Convert running distance and time into pace and speed.
Calculate average pace
Average pace and speed
Pace per kilometer
- Pace per mile
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- Average speed
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Average results depend on the distance and elapsed-time source you enter.
Your entries and results stay in this browser. This tool does not send, save, or add them to the page address.
How to use the running pace calculator
Enter the distance completed, choose kilometers or miles, and enter the elapsed hours, minutes, and seconds. The calculator reports average pace in minutes per kilometer and minutes per mile, along with average speed in both kilometers and miles per hour.
Use the same kind of elapsed time when comparing efforts. A watch’s moving time may exclude stops, while an official race result normally uses the full time between crossing the start and finish timing points.
How pace and speed are calculated
Average pace is total elapsed time divided by distance. Average speed is distance divided by elapsed time. Miles and kilometers are converted using the international definition of exactly 1.609344 kilometers per mile.
The displayed pace is rounded to the nearest second. Because that rounded value is for readability, multiplying it back by a long distance may differ slightly from the original elapsed time.
Important limitations
This result is an average, not a prediction or training prescription. GPS measurement, route certification, elevation, weather, stops, and device auto-pause settings can all affect distance or time.
Use effort, recovery, conditions, and appropriate professional guidance when setting training intensity. Stop exercising and seek medical help for concerning symptoms.
Frequently asked questions
How is running pace calculated?
The calculator divides total elapsed time by distance. It converts the distance with exactly 1.609344 kilometers per mile before reporting both pace units.
Is average pace the same as my pace at every point?
No. Average pace spreads the total elapsed time evenly across the full distance. Hills, stops, GPS error, and changes in effort can make individual splits different.
Does elapsed time include stops?
Enter whichever time matches your goal. Use total clock time for event-style pacing or moving time to exclude pauses, but label comparisons consistently.
Can I use this for walking or cycling?
Yes. The arithmetic works for any activity measured by distance and elapsed time, although the guidance here is written for running.