Running pace calculator
This tool works out the average time you spend on each kilometer or mile of a run or race, which helps with planning training and comparing results.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter distance, distance unit, hours, minutes and seconds.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Pace = total time ÷ distance. Pace per mile = pace per km × 1.609344. Speed (km/h) = distance in km ÷ time in hours.
Example
Inputs: Distance = 10, Distance unit = Kilometers, Hours = 0, Minutes = 50, Seconds = 0. Result: Pace per kilometer: 5:00 min/km; Pace per mile: 8:03 min/mile; Speed: 12 km/h.
Limits and caveats
- The result is an average over the whole distance and does not show changes on hills.
- Pace is rounded to the nearest second.
Questions about this tool
What is the difference between pace and speed?
Pace is time per unit of distance, such as 5:00 per km. Speed is distance per unit of time, such as 12 km/h. Runners usually talk in pace.
What pace is a 50 minute 10K?
It is 5:00 per kilometer, about 8:03 per mile, which equals 12 km/h.
Can I enter the distance in miles?
Yes. Choose miles as the distance unit and you get pace per kilometer and per mile.