Calculate Your Running Pace and Race Times

A free running pace calculator that turns a run into useful numbers. Enter how far you went and how long it took, and it returns your pace per kilometre or mile, your average speed, and predicted finish times for the 5K, 10K, half marathon and marathon.

How to calculate running pace

1
Enter the distance

Type how far you ran in kilometres or miles.

2
Enter the time

Type the hours, minutes and seconds the run took.

3
Read your pace

The calculator shows your pace, speed and predicted race times.

Turn a distance and time into pace, speed and race predictions

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h
min
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Pace
Estimated finish times at this fitness, using the Riegel endurance formula.
Pace is the time per kilometre or mile; speed is the distance per hour. The predicted times use the Riegel formula and assume even pacing and similar terrain — real race times also depend on training, course and conditions.
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