Calculate your running pace per kilometer and per mile, along with your speed, from a distance and finish time.
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Pace is your total time divided by distance, expressed as minutes and seconds per kilometer or per mile. Speed is the inverse relationship, distance divided by time, expressed in kilometers or miles per hour. This calculator computes both directly from the distance and finish time you enter, converting between kilometers and miles using the standard factor of 1.60934 km per mile.
For example, running 5 km in 25 minutes flat gives a pace of exactly 5:00 min/km (25 ÷ 5), which converts to about 8:03 min/mile, or a speed of 12 km/h (5 km ÷ (25/60) hours), about 7.46 mph.
Pace (time per unit distance) is often more intuitive for runners than speed, since race splits, training plans and course markers are usually given in distance, so knowing 'how many minutes per kilometer' directly tells you what each split should look like, without needing to convert from a speed figure first.
Entering hours, minutes and seconds inconsistently, for example putting a total minute count above 60 into the minutes field, throws off the total time and therefore the pace calculation.
Confusing average pace over a whole run with the pace at any single moment, a negative-split or variable-effort run can have very different actual per-kilometer splits than the flat average shown here.
Mixing up min/km and min/mile when comparing to a training plan or race goal, always confirm which unit the plan uses before applying this calculator's pace target.
Enter your target distance and desired finish time to get your required pace per km or mile, then use that pace to check your progress against course markers or splits during the race.
Races and training plans use different units depending on region and personal preference, showing both avoids needing a separate conversion step.
Yes, the pace and speed math is the same regardless of activity, though for cycling, speed (km/h or mph) is typically the more commonly used figure rather than pace.
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