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Pace Calculator

Calculate pace, speed, and predicted race times from distance and elapsed time.

Distance unit
Pace per mi
9:00 /mi
6.67 mi/hour
Pace per km5:36 /km
Distance5 mi
Elapsed time0:45:00
5K0:27:58
10K0:55:55
Half marathon1:57:59
Marathon3:55:58

About the Pace Calculator

Calculate pace, speed, and predicted race times from distance and elapsed time.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

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