Calculate your running pace per kilometer and mile, and your speed, from a distance and time.
100% client-side · nothing is uploaded
Loading tool…
How to use the Pace
Fill in each input field with your own numbers.
Results calculate automatically and update as you change any value.
Read the result cards below the inputs for the full breakdown.
Adjust any field to explore different scenarios instantly.
Privacy: this tool runs entirely in your browser. Your input is never sent to, received by, or stored on any server — there are no uploads and no tracking of what you enter.
About Pace
Pace vs speed
Pace is time per distance (minutes per km); speed is distance per time (km/h). Runners usually train by pace.
How to use it
Enter your distance in km and your time as HH:MM:SS to get pace per km, pace per mile and speed.
Where it helps
Planning race targets, pacing training runs, and comparing efforts.
Frequently asked questions
What is a good pace?
It varies by runner; this tool helps you measure and compare your own.
ToolWren