QuickCalcFree everyday calculators & converters

Running Pace Calculator

Enter how far you ran and how long it took to get your pace, your speed and a projected race time.

Running Pace

Pace per km, speed and race projections

Pace5:15 / km
Speed11.43 km/h
Pace per mile8:27 / mi
Projected 10 km52:30

How it works

  • Pace = time ÷ distance, shown as minutes and seconds per kilometre.
  • 5:00/km is 20 km/h ÷ 4 — a 50-minute 10 km.

Frequently asked questions

What pace do I need for a sub-2-hour half marathon?

About 5:41 per kilometre, or 9:09 per mile, held for the full 21.1 km.

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