5:47 per km — marathon in 4:04:02, 10.37 km/h

Running 5:47 per kilometre is 10.37 km/h. Hold it and the half comes in at 2:02:01, the marathon at 4:04:02.

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: 28:55
10K: 57:50
Half: 2:02:01
Marathon: 4:04:02

Speed: 10.37 km/h
Metres per second: 2.882 m/s
Pace per mile: 9:18
One lap (400 m): 2:19

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 · nosub-3h Marathon · nosub-3:30h Marathon · nosub-4h Marathon · nosub-5h Marathon · yes

Nearby paces

Pace per km	Half	Marathon
5:42	2:00:15	4:00:31
5:43	2:00:36	4:01:13
5:44	2:00:58	4:01:55
5:45	2:01:19	4:02:37
5:46	2:01:40	4:03:19
5:47	2:02:01	4:04:02
5:48	2:02:22	4:04:44
5:49	2:02:43	4:05:26
5:50	2:03:04	4:06:08
5:51	2:03:25	4:06:50
5:52	2:03:46	4:07:33

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 5:47 per km give?

4:04:02. The half comes in at 2:02:01, the 10K at 57:50 and the 5K at 28:55.

Q. How fast is 5:47 per km in km/h?

10.37 km/h, or 2.882 metres per second.

Q. What is that per mile?

9:18, because a mile is 1.609344 km.

Q. And one lap of the track?

2:19 for 400 m.