Running pace·5:42 /km
5:42
/km · 10.53 km/h

5:42 per km — marathon in 4:00:31, 10.53 km/h

Running 5:42 per kilometre is 10.53 km/h. Hold it and the half comes in at 2:00:15, the marathon at 4:00:31.

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
28:30
10K
57:00
Half
2:00:15
Marathon
4:00:31
Speed
10.53 km/h
Metres per second
2.924 m/s
Pace per mile
9:10
One lap (400 m)
2:17

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 kmHalfMarathon
5:371:58:303:57:00
5:381:58:513:57:42
5:391:59:123:58:24
5:401:59:333:59:06
5:411:59:543:59:48
5:422:00:154:00:31
5:432:00:364:01:13
5:442:00:584:01:55
5:452:01:194:02:37
5:462:01:404:03:19
5:472:02:014:04:02

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 5:42 per km give?

4:00:31. The half comes in at 2:00:15, the 10K at 57:00 and the 5K at 28:30.

Q. How fast is 5:42 per km in km/h?

10.53 km/h, or 2.924 metres per second.

Q. What is that per mile?

9:10, because a mile is 1.609344 km.

Q. And one lap of the track?

2:17 for 400 m.