Running Pace Calculator

Work out your running pace per kilometre and per mile from any distance and time, then see projected finish times for 1 mile, 5K, 10K, half marathon and marathon. Free pace calculator.

Enter a distance and a time

How to use the Running Pace Calculator

  1. 1

    Enter the distance you ran and its unit.

  2. 2

    Enter your time as hh:mm:ss or mm:ss.

  3. 3

    See your pace per km and per mile.

  4. 4

    Check projected times for common race distances.

Frequently asked questions

What time formats work?

Both hh:mm:ss (e.g. 1:45:00) and mm:ss (e.g. 25:30).

How are race predictions made?

They assume you hold the same pace — real races vary, but it's a useful benchmark for pacing.

km or miles?

Enter either; pace is shown in both per-km and per-mile.

Tips & discussion

Share a trick, ask a question, or help others get more out of this tool.

Log in to share a tip or ask a question.

Loading tips…