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FAQ
Pace is the time needed to cover one kilometer (or one mile), e.g. 5:30/km.
Speed (km/h) = 60 divided by pace in minutes per km. The tool calculates it automatically.
Yes. Switch between km and miles with one click; results show both units.
About this tool
A pace calculator for runners training for 5K, 10K, half marathon or marathon. Enter any two of distance, time and pace to solve for the third, see speed in km/h and mph, and use the prediction table to plan race strategy or set new personal-best targets.