Endurometry
To finish a Half Marathon (21.098 km) in 2 hours 25 minutes, you need to hold 6:52 /km (11:04 /mi) — an average speed of 8.73 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 (2 hours 25 minutes)
| Kilometre | Cumulative time | Split pace |
|---|---|---|
| 1 km | 6:52 | 6:52 |
| 2 km | 13:45 | 6:52 |
| 3 km | 20:37 | 6:52 |
| 4 km | 27:29 | 6:52 |
| 5 km | 34:22 | 6:52 |
| 6 km | 41:14 | 6:52 |
| 7 km | 48:07 | 6:52 |
| 8 km | 54:59 | 6:52 |
| 9 km | 1:01:51 | 6:52 |
| 10 km | 1:08:44 | 6:52 |
| 11 km | 1:15:36 | 6:52 |
| 12 km | 1:22:28 | 6:52 |
| 13 km | 1:29:21 | 6:52 |
| 14 km | 1:36:13 | 6:52 |
| 15 km | 1:43:06 | 6:52 |
| 16 km | 1:49:58 | 6:52 |
| 17 km | 1:56:50 | 6:52 |
| 18 km | 2:03:43 | 6:52 |
| 19 km | 2:10:35 | 6:52 |
| 20 km | 2:17:27 | 6:52 |
| 21 km | 2:24:20 | 6:52 |
| 21.098 km (finish) | 2:25:00 | 6:52 |
Mile Splits
| Mile | Cumulative time | Split pace |
|---|---|---|
| Mile 1 | 11:04 | 11:04 |
| Mile 2 | 22:07 | 11:04 |
| Mile 3 | 33:11 | 11:04 |
| Mile 4 | 44:15 | 11:04 |
| Mile 5 | 55:18 | 11:04 |
| Mile 6 | 1:06:22 | 11:04 |
| Mile 7 | 1:17:26 | 11:04 |
| Mile 8 | 1:28:29 | 11:04 |
| Mile 9 | 1:39:33 | 11:04 |
| Mile 10 | 1:50:36 | 11:04 |
| Mile 11 | 2:01:40 | 11:04 |
| Mile 12 | 2:12:44 | 11:04 |
| Mile 13 | 2:23:47 | 11:04 |
| 13.109 mi (finish) | 2:25:00 | 11:04 |
More pace charts
Frequently Asked Questions
How fast do I need to run a Half Marathon in 2 hours 25 minutes?
Average pace 6:52 /km (11:04 /mi), 8.73 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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