Skip to content
KitWren

Search tools

Running Pace Converter

Convert running pace per km or mile to speed, and predict 5K, 10K, half and full marathon times.

  1. Enter your time or pace
  2. Pick km or miles
  3. See pace, speed and race times
Runs in your browser. Your data and files never leave your device.

About the Running Pace Converter

Enter a pace, a speed or a race finish time to get your pace per kilometre and per mile, your speed in km/h and mph, and equivalent finish times for common race distances.

Running Pace Converter formula

speed (km/h) = 60 ÷ pace (min/km)
pace per mile = pace per km × 1.609344

Frequently asked questions

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

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

Related tools