Endurometry
To finish a Half Marathon (21.098 km) in 1 hour 45 minutes, you need to hold 4:59 /km (8:01 /mi) — an average speed of 12.06 km/h. The tables below list the time you should pass every kilometre and mile.
Need a printout? Use the pace band generator.
Half Marathon Split Times (1 hour 45 minutes)
| Kilometre | Cumulative time | Split pace |
|---|---|---|
| 1 km | 4:59 | 4:59 |
| 2 km | 9:57 | 4:59 |
| 3 km | 14:56 | 4:59 |
| 4 km | 19:54 | 4:59 |
| 5 km | 24:53 | 4:59 |
| 6 km | 29:52 | 4:59 |
| 7 km | 34:50 | 4:59 |
| 8 km | 39:49 | 4:59 |
| 9 km | 44:48 | 4:59 |
| 10 km | 49:46 | 4:59 |
| 11 km | 54:45 | 4:59 |
| 12 km | 59:43 | 4:59 |
| 13 km | 1:04:42 | 4:59 |
| 14 km | 1:09:41 | 4:59 |
| 15 km | 1:14:39 | 4:59 |
| 16 km | 1:19:38 | 4:59 |
| 17 km | 1:24:36 | 4:59 |
| 18 km | 1:29:35 | 4:59 |
| 19 km | 1:34:34 | 4:59 |
| 20 km | 1:39:32 | 4:59 |
| 21 km | 1:44:31 | 4:59 |
| 21.098 km (finish) | 1:45:00 | 4:59 |
Mile Splits
| Mile | Cumulative time | Split pace |
|---|---|---|
| Mile 1 | 8:01 | 8:01 |
| Mile 2 | 16:01 | 8:01 |
| Mile 3 | 24:02 | 8:01 |
| Mile 4 | 32:02 | 8:01 |
| Mile 5 | 40:03 | 8:01 |
| Mile 6 | 48:03 | 8:01 |
| Mile 7 | 56:04 | 8:01 |
| Mile 8 | 1:04:05 | 8:01 |
| Mile 9 | 1:12:05 | 8:01 |
| Mile 10 | 1:20:06 | 8:01 |
| Mile 11 | 1:28:06 | 8:01 |
| Mile 12 | 1:36:07 | 8:01 |
| Mile 13 | 1:44:07 | 8:01 |
| 13.109 mi (finish) | 1:45:00 | 8:01 |
More pace charts
Frequently Asked Questions
How fast do I need to run a Half Marathon in 1 hour 45 minutes?
Average pace 4:59 /km (8:01 /mi), 12.06 km/h.
Should I run even splits?
Even effort is the most economical, but the first 10–15% is usually crowded. Start 5–10 s/km slower and settle into target pace.
My GPS shows extra distance
Courses usually measure a few hundred metres long on GPS. Run slightly faster than target by feel, or lap manually at the markers.
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