7:12 per km — marathon in 5:03:48, 8.33 km/h

Running 7:12 per kilometre is 8.33 km/h. Hold it and the half comes in at 2:31:54, the marathon at 5:03:48.

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: 36:00
10K: 1:12:00
Half: 2:31:54
Marathon: 5:03:48

Speed: 8.33 km/h
Metres per second: 2.315 m/s
Pace per mile: 11:35
One lap (400 m): 2:53

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 · nosub-50 min 10K · nosub-60 min 10K · nosub-100 min Half · nosub-2h Half · nosub-3h Marathon · nosub-3:30h Marathon · nosub-4h Marathon · nosub-5h Marathon · no

Nearby paces

Pace per km	Half	Marathon
7:07	2:30:09	5:00:17
7:08	2:30:30	5:00:59
7:09	2:30:51	5:01:42
7:10	2:31:12	5:02:24
7:11	2:31:33	5:03:06
7:12	2:31:54	5:03:48
7:13	2:32:15	5:04:30
7:14	2:32:36	5:05:13
7:15	2:32:57	5:05:55
7:16	2:33:19	5:06:37
7:17	2:33:40	5:07:19

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 7:12 per km give?

5:03:48. The half comes in at 2:31:54, the 10K at 1:12:00 and the 5K at 36:00.

Q. How fast is 7:12 per km in km/h?

8.33 km/h, or 2.315 metres per second.

Q. What is that per mile?

11:35, because a mile is 1.609344 km.

Q. And one lap of the track?

2:53 for 400 m.