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Running pace calculator

Use distance and time, distance and pace, or time and speed. Values are converted exactly and rounded only for display.

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Calculate pace, speed or a finish time

Choose the pair you know: distance and time, distance and pace or speed, or time and pace or speed. The result assumes a constant average speed; it is not a training prediction.

How to use it

  1. Select the mode and units: kilometres or miles for distance, minutes per kilometre or mile for pace, and km/h or mph for speed.
  2. Enter hours, minutes and seconds separately. A pace of 5:30 means five minutes thirty seconds, not 5.30 decimal minutes.
  3. Read the converted pace and speed. Copy a result or create a share link if needed; the link contains your settings.

Example

Starting point
Distance and time mode: 5 km in 0 hours, 25 minutes and 0 seconds.
What to expect
Pace: 5:00 min/km. Speed: 12 km/h. The mile pace rounds to 8:03 min/mi.

Before you start

  • Distance must be 1 metre–1,000 km, duration 1 second–7 days and speed 0.1–100 km/h, including calculated values. In the duration, minutes and seconds accept 0–59.
  • Clock results round to the nearest second. Terrain, stops, fatigue and pace changes are not modelled.
  • Anyone receiving a share link can read its settings; it does not save a private training log.