Running pace·7:57 /km
7:57
/km · 7.55 km/h

7:57 per km — marathon in 5:35:27, 7.55 km/h

Running 7:57 per kilometre is 7.55 km/h. Hold it and the half comes in at 2:47:44, the marathon at 5:35:27.

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
39:45
10K
1:19:30
Half
2:47:44
Marathon
5:35:27
Speed
7.55 km/h
Metres per second
2.096 m/s
Pace per mile
12:48
One lap (400 m)
3:11

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 kmHalfMarathon
7:522:45:585:31:56
7:532:46:195:32:38
7:542:46:405:33:20
7:552:47:015:34:03
7:562:47:225:34:45
7:572:47:445:35:27
7:582:48:055:36:09
7:592:48:265:36:51
8:002:48:475:37:34

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 7:57 per km give?

5:35:27. The half comes in at 2:47:44, the 10K at 1:19:30 and the 5K at 39:45.

Q. How fast is 7:57 per km in km/h?

7.55 km/h, or 2.096 metres per second.

Q. What is that per mile?

12:48, because a mile is 1.609344 km.

Q. And one lap of the track?

3:11 for 400 m.