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.
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.
Gear runners ask about
GPS running watch
Pace, laps and alerts on your wrist
Chest strap heart-rate monitor
More reliable than wrist-based HR
Race day running shoes
Lightweight shoes for tempo and race pace
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