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Running Pace Calculator
Time, distance and average pace for running or walking.
How it works
Pace, time and speed are three views of the same run. Divide total time by distance and you get pace per kilometre; divide distance by time and you get speed. This calculator works from the distance and time you enter, so it suits race results, treadmill sessions and timed training runs alike. It assumes a steady average, which is exactly how most runners describe a run even when individual kilometres varied.
How to read the result
A pace of six minutes per kilometre equals ten kilometres per hour, and the per-mile figure is useful if you follow plans written in miles. Compare paces only on similar ground and conditions: hills, heat, wind and trail surfaces slow everyone down, so a slower pace on a hilly route can still be a stronger performance than a faster flat one.
One practical tip
Most easy runs should feel conversational: you can speak in full sentences without gasping. If your easy pace keeps creeping toward race pace, you are probably training too hard on easy days, which is the most common reason progress stalls.
When comparing paces across seasons, allow for heat: most runners slow noticeably above about twenty degrees, so a summer pace that looks slower on paper may represent equal or greater effort than a faster winter run.
For training, record the pace alongside distance, surface and how the run felt, because that context turns a bare number into a useful comparison when you look back over a month of runs.