Free running tool

Running Pace Calculator

Calculate pace per mile and per kilometer for common race distances, then use the result to decide whether your goal is realistic, premature, or ready for a smarter block.

Running pace calculator

Turn a finish time into usable pacing.

Enter a distance and finish time to calculate your average pace per mile and per kilometer, plus equivalent times at common race distances.

Average pace

8:01 / mile

4:59 / km

26.2 mi
Finish time3:30:00
Average speed7.5 mph
Average speed12.1 km/h
Equivalent times at this pace
5K24:53
10K49:46
Half1:45:00
Marathon3:30:00

Use this for planning and sanity-checking, not for turning every easy run into a pace test. KenyanRunning coaches still organize training by effort first.

Best for

Runners who need cleaner numbers.

  • Turning a goal finish time into pace per mile and per kilometer
  • Checking whether a race target sounds realistic before you commit to it
  • Comparing equivalent effort across 5K, 10K, half marathon, and marathon distances
If you are marathon-focused

Pair this with the readiness score.

Pace is only one piece of the marathon picture. If the real question is whether your current training supports that pace, use the readiness tool next.

How to use it well

Useful numbers, without pace obsession.

The calculator should make decisions clearer. It should not tempt you into training every day at the pace you hope to race on one day.

Why use it

Good for targets and sanity checks.

Use the calculator to understand what a finish time really means in pace terms before you commit to a plan, a race goal, or a set of workouts.

What it does not do

It does not decide whether the pace is realistic.

A pace calculator can tell you what sub-4 means per mile. It cannot tell you whether your current mileage, long run, and recovery habits support that pace yet.

KenyanRunning view

Training is still built by effort first.

Coaches use pace as a guide, not a master. Easy days stay easy, and race pace appears when the aerobic support is strong enough to hold it honestly.