Running Pace Calculator
Work out your running pace per kilometre and per mile from a distance and a time, plus your average speed.
Result
Pace
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Enter a distance and a time greater than zero.
Enter the distance you covered and the time it took to see your pace per kilometre and per mile, and your average speed. Great for planning race targets and training runs.
Frequently asked questions
How do I convert pace per km to pace per mile?
Multiply your per-kilometre pace by 1.609. For example, a 5:00/km pace is about 8:03/mile. This calculator shows both automatically.
What pace do I need for a sub-4-hour marathon?
A marathon is 42.195 km. To finish in under 4 hours you need to average roughly 5:41 per km (about 9:09 per mile). Enter 42.195 km and 4 hours to check.