Running Pace Calculator

Enter the distance you ran and your time to see your pace and race predictions.

Results

Pace (min/km)
5:00
Pace (min/mile)
8:03
Speed (km/h)
12
Speed (mph)
7.46
5K at this pace
25:00
10K at this pace
50:00
Half marathon at this pace
1:45:29
Marathon at this pace
3:30:59

Runners talk about pace rather than speed: how many minutes it takes to cover a kilometre or a mile. Finish 10 km in 50 minutes and your pace is 5:00 per km.

Knowing your pace makes training easier to plan — you can see what pace a goal time demands, or when you would finish a race at today’s pace.

How to calculate Running pace

  1. Enter the distance and choose kilometres or miles.
  2. Enter your time in hours, minutes and seconds.
  3. Read your pace, speed and finish times at the same pace.

Running pace formula

  • Pace (min/km) = time ÷ distance
  • Speed (km/h) = 60 ÷ pace (min/km)
  • Finish time = pace × race distance

Running pace example

Running 10 km in 50 minutes is a pace of 5:00 per km (8:03 per mile) and a speed of 12 km/h. At that pace a half marathon takes 1:45:29 and a marathon about 3:31.

Running pace: common questions

What is the difference between pace and speed?

They are inverses. Speed is distance per unit of time (km/h); pace is time per unit of distance (min/km).

Is the marathon prediction realistic?

It assumes you hold the same pace for 42 km. Most runners slow over long distances, so allow a few minutes when projecting from a shorter run.

What is a good pace for a beginner?

A pace at which you can still hold a conversation — usually 6:30–8:00 per km (10:30–13:00 per mile).