Pace
Running Pace Calculator
Calculate your pace, predict race times, and view kilometre and mile splits.
Pace per km
5:00
Pace per mile
8:03
Predicted race times
5K
23:59
10K
50:00
Half
1:50:19
Marathon
3:50:01
Enter any distance and time to compute pace per kilometre and per mile. We also project your equivalent 5K, 10K, half-marathon and marathon times using Riegel's formula.
FAQ
How accurate are the predicted race times?
Riegel's formula assumes proportionally trained endurance. It is highly accurate for similar distances (5K to 10K) and progressively less accurate as the distance gap widens.
KYN
Want this automated?
KYN computes your zones, paces and load — and uses them to build training that adapts every week.
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