Running pace·5:31 /km
5:31
/km · 10.88 km/h

5:31 per km — marathon in 3:52:47, 10.88 km/h

Running 5:31 per kilometre is 10.88 km/h. Hold it and the half comes in at 1:56:23, the marathon at 3:52:47.

Finish times

These assume you hold the pace from gun to tape. Most runners drift slower in the second half, so leave a margin when setting a target.

5K
27:35
10K
55:10
Half
1:56:23
Marathon
3:52:47
Speed
10.88 km/h
Metres per second
3.021 m/s
Pace per mile
8:53
One lap (400 m)
2:12

What this pace breaks

The cut-offs are tighter than they look: a sub-4 marathon needs 5:41 per kilometre, and one second slower puts you over four hours.

sub-20 min 5K · nosub-25 min 5K · nosub-30 min 5K · yessub-50 min 10K · nosub-60 min 10K · yessub-100 min Half · nosub-2h Half · yessub-3h Marathon · nosub-3:30h Marathon · nosub-4h Marathon · yessub-5h Marathon · yes

Nearby paces

Pace per kmHalfMarathon
5:261:54:383:49:16
5:271:54:593:49:58
5:281:55:203:50:40
5:291:55:413:51:22
5:301:56:023:52:04
5:311:56:233:52:47
5:321:56:443:53:29
5:331:57:053:54:11
5:341:57:273:54:53
5:351:57:483:55:35
5:361:58:093:56:18

The half and the full are not round numbers

A marathon is 42.195 km and a half is 21.0975 km. Rounding to 42 km costs you about a minute at a 5:00 pace — small, but enough to miss a target.

How to read this

  • Pace is the time for one kilometre, so a smaller number means faster.
  • To get speed, divide 3600 by the pace in seconds: 300 s gives 12 km/h.
  • A finish time is simply the pace multiplied by the distance.
  • Mile pace is kilometre pace times 1.609344.

Frequently asked questions

Q. What marathon time does 5:31 per km give?

3:52:47. The half comes in at 1:56:23, the 10K at 55:10 and the 5K at 27:35.

Q. How fast is 5:31 per km in km/h?

10.88 km/h, or 3.021 metres per second.

Q. What is that per mile?

8:53, because a mile is 1.609344 km.

Q. And one lap of the track?

2:12 for 400 m.