Free running calculator

Pace Calculator

Calculate pace, finish time, distance, speed, split averages, and mile/kilometer conversions from one simple running hub.

  • Pace / time / distance
  • Finish estimates
  • Split averages
  • Mile and kilometer pace

Pace solver

Choose what to calculate

Time and pace fields accept plain minutes, mm:ss, or h:mm:ss. Example: `8:30` means 8 minutes 30 seconds.

Pace result

Calculated pace

5 km in 25:00 equals8:03 / mile

Use this as a planning estimate. Real outdoor pace depends on terrain, weather, fatigue, and warmup time.

Minutes per mile
8:03
Minutes per kilometer
5:00
Total time
25:00
Distance
5.00 km
Speed
7.5 mph / 12.0 km/h
5K finish
25:00
10K finish
50:00
Half marathon
1:45:30
Marathon
3:31:00

More pace tools

Converter and split average

Use these quick cards when you only need a unit conversion or an average pace across multiple workout segments.

Pace converter

Convert pace and speed

Per mile
8:30
Per kilometer
5:17
Speed
7.1 mph / 11.4 km/h

Multipoint pace

Average split pace

Total distance
3.00 km
Total time
15:00
Average pace
5:00 / km

How to calculate running pace

Running pace is total time divided by distance. If you run 3 miles in 30 minutes, your pace is 10 minutes per mile. If you run 5 kilometers in 25 minutes, your pace is 5 minutes per kilometer.

The calculator can solve the equation three ways: find pace from time and distance, find finish time from pace and distance, or find distance from time and pace.

Pace, speed, and finish time

Pace tells you how long each mile or kilometer takes. Speed tells you how far you travel in an hour. Runners usually think in pace, while treadmills and bikes often show speed.

Finish-time estimates are simple pace math. They assume you can hold the same pace for the whole distance, which is useful for planning but not a promise of race performance.

When to use the multipoint pace calculator

The split average card is useful for track workouts, trail segments, warmup plus workout blocks, or any run where each part has a different distance and time. Add the segment distances and times, and it calculates total distance, total time, and average pace.

For workouts with very short recoveries, decide whether recovery time should count before entering the numbers. Including recovery gives an average workout pace; excluding it gives the pace for the running segments only.

Common pace calculator mistakes

Common mistakes include mixing miles and kilometers, typing pace as a decimal instead of minutes and seconds, or using a race goal pace as if it were an easy-run pace. An 8:30 pace means 8 minutes 30 seconds, not 8.30 minutes.

This tool is a planning and conversion calculator. It is not medical advice, coaching advice, or a substitute for a training plan built around your health, experience, and recovery.