Running Pace Calculator
Enter any two of distance, time and pace to get the third, plus splits and what your pace means over common races.
This is an estimate for general information and is not medical advice. Treadmills, hills and weather change real pace.
Worked examples
5K in 25 minutes
5 km in 25:00
5:00 per km, 8:03 per mile, 12 km/h
25 minutes divided by 5 km.
10K at 5:30 per km
10 km at 5:30 per km
55:00
5:30 x 10.
About Running Pace Calculator
Pace is the time you take to cover a set distance, normally written as minutes and seconds per kilometre or per mile. Runners use it to plan a race, pace a training run and compare sessions. This calculator solves for whichever of the three you do not know: pace, finish time or distance.
Enter two of them and the page returns the third, plus your speed in km/h and mph, a splits table with the time at each kilometre or mile, and the time you would take over a mile, 5K, 10K, half marathon and marathon at the same pace. The race table assumes you could hold that pace for the whole distance, which gets harder the longer you go. It is an estimate and not medical advice.
How to use Running Pace Calculator
- Choose what to find: pace, finish time or distance.
- Pick a distance from the list, or choose another and type it in kilometres or miles.
- Enter the time as 25:30 or 1:45:00, or the pace as 5:30.
- Read the pace, speed, race times and splits.
Common uses
- Planning a 10K target pace
- Finding the finish time of a long run
- Checking a treadmill session against a road run
- Setting kilometre or mile splits for a race plan
Frequently asked questions
How do I calculate running pace?
Divide your time by your distance. A 5 km run in 25 minutes is 25 / 5 = 5 minutes per kilometre, which is about 8:03 per mile.
How do I convert between km and mile pace?
Multiply a per kilometre pace by 1.609 to get the pace per mile. Divide a per mile pace by 1.609 to get the pace per kilometre. The page shows both.
How do I type times?
Use hours, minutes and seconds with colons, such as 1:45:30. Two parts are minutes and seconds, so 25:30 is 25 minutes 30 seconds. A single number counts as minutes.
What are splits?
Splits are the times at each kilometre or mile along the run. If you run evenly, each split is the pace times the distance covered so far. They help you check you are on target during a race.
Is the race table a prediction?
No. It shows what each distance would take if you could hold today’s pace for it. To predict a longer race from a shorter one, use the race time predictor. This is an estimate and not medical advice.