Running Pace Calculator

Pace per km, speed and race finish-time predictions. Calculate your running pace from distance and time. Get pace per kilometre and mile, speed in km/h and mph, and predicted finish times for 5K to marathon. Free pace calculator.

This tool runs 100% in your browser. Your input is never sent to any server — you can even go offline after the page loads.

About the Running Pace Calculator

Runners think in pace — minutes per kilometre or mile — because it is the number you can actually hold on a watch. Enter any distance and finishing time and this calculator returns your exact pace, your speed, and a table of predicted finish times for standard race distances from 5K to full marathon. Planning a sub-2-hour half marathon? It tells you the pace that requires — 5:41 per kilometre.

How to use the Running Pace Calculator

  1. Enter the distance you ran (or plan to run).
  2. Enter your time in hours, minutes and seconds.
  3. Read your pace and speed.
  4. Check the race-prediction table for goal setting.

Key features

What is a good running pace for beginners?
Most new runners settle between 6:30 and 8:00 per kilometre. Consistency matters far more than speed in the first year.
How are race predictions made?
Using Riegel's endurance formula, which extrapolates performance across distances — accurate within a few percent when the race is run at equivalent effort.

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