The pace to run a half marathon in 1:45
4:59 per kilometre, 12.1 km/h. Your splits kilometre by kilometre, at an even pace or as a negative split.
To run a half marathon in 1:45, hold 4:59 per kilometre: 12.1 km/h, or 8:01 per mile.
Splits
At an even pace, or as a negative split: a little slower in the first half, a little faster in the second, for the same finish time.
| Km | Even | Negative split |
|---|---|---|
| 1 | 4:59 | 5:02 |
| 2 | 9:57 | 10:03 |
| 3 | 14:56 | 15:05 |
| 4 | 19:54 | 20:06 |
| 5 | 24:53 | 25:08 |
| 6 | 29:52 | 30:10 |
| 7 | 34:50 | 35:11 |
| 8 | 39:49 | 40:13 |
| 9 | 44:48 | 45:14 |
| 10 | 49:46 | 50:16 |
| 11 | 54:45 | 55:15 |
| 12 | 59:43 | 1:00:11 |
| 13 | 1:04:42 | 1:05:06 |
| 14 | 1:09:41 | 1:10:02 |
| 15 | 1:14:39 | 1:14:57 |
| 16 | 1:19:38 | 1:19:53 |
| 17 | 1:24:36 | 1:24:49 |
| 18 | 1:29:35 | 1:29:44 |
| 19 | 1:34:34 | 1:34:40 |
| 20 | 1:39:32 | 1:39:36 |
| 21 | 1:44:31 | 1:44:31 |
| 21.1 | 1:45:00 | 1:45:00 |
- Pace is the time for one kilometre; speed, the distance in one hour. 5:00 per kilometre is 12 km/h.
- Splits assume an even pace, from the first kilometre to the last.
Frequently asked questions
21.0975 km; a marathon is 42.195 km.
Pace, for running: it reads straight off your watch and the track.
- Race time predictorYour likely time over 5K, 10K, half and marathon
- Maximal aerobic speed calculatorYour maximal aerobic speed and training paces
- Heart rate zonesYour five heart rate zones
- Max heart rateYour maximum heart rate
- Running training planYour training plan, week by week
- Beep testYour VO2max from the beep test
- Fitness ageYour fitness age
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