calculator.org the calculator home page

Running time calculator

man leading a road race Enter a known distance and time, and your target distance. We will predict your time for the target distance.
Distance:
Time:
Target distance:
  
Target time is: 125.97
Pace: 10.14

This calculator is intended for distance running and is not suitable for sprint distances. Marathon distance is 42.2k, half-marathon is 21.1k. To see your actual pace, set the target distance equal to your actual distance.