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Running Pace Calculator

Enter a pace in any unit to see it in all the others, along with what finish time it gives over popular race distances.

Your details

Result

Pace per km

5:25

8:43 per mile

Speed
11.08 km/h · 6.88 mph
Predicted 5K
27:05
Predicted 10K
54:10
Predicted Half marathon
1:54:17
Predicted Marathon
3:48:33
  • Predicted times assume the same pace throughout. Real races vary with hills, weather and fatigue.

Good to know: A pace of 5:25 per km is 8:43 per mile, and a 5K finish of about 27:05.

Please note: General estimate for information only. This is not medical advice, diagnosis or treatment, and it may not suit your age, health, medication or pregnancy. Never use it to make a medical decision. Talk to a doctor or other qualified health professional about your own situation, and in an emergency call your local emergency number.

About this tool

Calculate running pace per mile or kilometer, or find finish times for race distances — for runners and coaches.

Formula

Pace = time ÷ distance. Finish time = pace × distance. Pace is expressed as min/km or min/mi.

Reference values

  • 5K at 5:00/km pace = 25:00 finish
  • Marathon = 42.195 km (26.2 mi)
  • Sub-4 marathon = 5:41/km pace

Questions people ask

How do I convert min/km to min/mile?

Multiply the pace in min/km by 1.609344.

What pace do I need for a sub-4-hour marathon?

About 5:41 per km, or 9:09 per mile.

Do predicted times assume the same pace throughout?

Yes. Real races vary with hills, weather and fatigue.

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How we calculate this

We use the standard published formula or definition for this calculation, and we show the working so you can check it.

Spotted a mistake? Tell us and we'll check it. How we check our calculators