Running Pace Calculator – Pace, Time & Distance

Work out your running pace, finish time or race distance in seconds.

Free
Instant result
Private · on-device
No sign-up

How to use: Enter any two of distance, time and pace. The third value appears instantly in km or miles.

How to use the Running Pace Calculator

Choose what you want to solve for: pace, finish time, or distance. Then pick kilometres or miles so the pace unit matches how you train.

Enter the two values you already know. Time accepts hh:mm:ss or mm:ss. Pace is minutes and seconds per kilometre or per mile.

The calculator fills in the missing value and also shows speed in km/h or mph, plus equivalent paces for common race distances so you can plan a 5K, 10K, half marathon or marathon.

Use it before autumn races or weekday training to set splits. Pair it with our calorie calculator if you want a rough energy estimate for the same run.

Results are educational planning numbers. Terrain, weather, hills and fitness change real race days — treat the pace as a target, not a guarantee.

Take a minute to sanity-check units and labels before you rely on a number for school, work or money decisions. If a result looks surprising, change one input at a time and watch how the answer moves — that is the fastest way to learn the method. ViralScopeHub tools stay free, need no account and keep your numbers in the browser so homework and business figures are not uploaded to our servers.