Endurometry
To finish a Half Marathon (21.098 km) in 2 hours 35 minutes, you need to hold 7:21 /km (11:49 /mi) — an average speed of 8.17 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 35 minutes)
| Kilometre | Cumulative time | Split pace |
|---|---|---|
| 1 km | 7:21 | 7:21 |
| 2 km | 14:42 | 7:21 |
| 3 km | 22:02 | 7:21 |
| 4 km | 29:23 | 7:21 |
| 5 km | 36:44 | 7:21 |
| 6 km | 44:05 | 7:21 |
| 7 km | 51:26 | 7:21 |
| 8 km | 58:46 | 7:21 |
| 9 km | 1:06:07 | 7:21 |
| 10 km | 1:13:28 | 7:21 |
| 11 km | 1:20:49 | 7:21 |
| 12 km | 1:28:10 | 7:21 |
| 13 km | 1:35:31 | 7:21 |
| 14 km | 1:42:51 | 7:21 |
| 15 km | 1:50:12 | 7:21 |
| 16 km | 1:57:33 | 7:21 |
| 17 km | 2:04:54 | 7:21 |
| 18 km | 2:12:15 | 7:21 |
| 19 km | 2:19:35 | 7:21 |
| 20 km | 2:26:56 | 7:21 |
| 21 km | 2:34:17 | 7:21 |
| 21.098 km (finish) | 2:35:00 | 7:21 |
Mile Splits
| Mile | Cumulative time | Split pace |
|---|---|---|
| Mile 1 | 11:49 | 11:49 |
| Mile 2 | 23:39 | 11:49 |
| Mile 3 | 35:28 | 11:49 |
| Mile 4 | 47:18 | 11:49 |
| Mile 5 | 59:07 | 11:49 |
| Mile 6 | 1:10:56 | 11:49 |
| Mile 7 | 1:22:46 | 11:49 |
| Mile 8 | 1:34:35 | 11:49 |
| Mile 9 | 1:46:25 | 11:49 |
| Mile 10 | 1:58:14 | 11:49 |
| Mile 11 | 2:10:04 | 11:49 |
| Mile 12 | 2:21:53 | 11:49 |
| Mile 13 | 2:33:42 | 11:49 |
| 13.109 mi (finish) | 2:35:00 | 11:49 |
More pace charts
Frequently Asked Questions
How fast do I need to run a Half Marathon in 2 hours 35 minutes?
Average pace 7:21 /km (11:49 /mi), 8.17 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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