5:39 per km — marathon in 3:58:24, 10.62 km/h

Running 5:39 per kilometre is 10.62 km/h. Hold it and the half comes in at 1:59:12, the marathon at 3:58:24.

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: 28:15
10K: 56:30
Half: 1:59:12
Marathon: 3:58:24

Speed: 10.62 km/h
Metres per second: 2.95 m/s
Pace per mile: 9:06
One lap (400 m): 2:16

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 km	Half	Marathon
5:34	1:57:27	3:54:53
5:35	1:57:48	3:55:35
5:36	1:58:09	3:56:18
5:37	1:58:30	3:57:00
5:38	1:58:51	3:57:42
5:39	1:59:12	3:58:24
5:40	1:59:33	3:59:06
5:41	1:59:54	3:59:48
5:42	2:00:15	4:00:31
5:43	2:00:36	4:01:13
5:44	2:00:58	4:01:55

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 5:39 per km give?

3:58:24. The half comes in at 1:59:12, the 10K at 56:30 and the 5K at 28:15.

Q. How fast is 5:39 per km in km/h?

10.62 km/h, or 2.95 metres per second.

Q. What is that per mile?

9:06, because a mile is 1.609344 km.

Q. And one lap of the track?

2:16 for 400 m.