Sub-1:50 Half Marathon pace
To finish a half marathon in under 1:50, you need to average 5:13 per kilometre, or 8:23 per mile, for the full 21.0975 km.
Required pace
5:13 /km
8:23 per mile · finish 1:50:00
Steady effort
Even-paced splits
Elapsed time you should see at each marker if you run the whole thing at one effort.
| Distance | Elapsed |
|---|---|
| 1 km | 5:13 |
| 2 km | 10:26 |
| 3 km | 15:38 |
| 4 km | 20:51 |
| 5 km | 26:04 |
| 6 km | 31:17 |
| 7 km | 36:30 |
| 8 km | 41:43 |
| 9 km | 46:55 |
| 10 km | 52:08 |
| 11 km | 57:21 |
| 12 km | 1:02:34 |
| 13 km | 1:07:47 |
| 14 km | 1:13:00 |
| 15 km | 1:18:12 |
| 16 km | 1:23:25 |
| 17 km | 1:28:38 |
| 18 km | 1:33:51 |
| 19 km | 1:39:04 |
| 20 km | 1:44:17 |
| 21 km | 1:49:29 |
| 21.1 km | 1:50:00 |
| Distance | Elapsed |
|---|---|
| 1 mi | 8:23 |
| 2 mi | 16:47 |
| 3 mi | 25:10 |
| 4 mi | 33:34 |
| 5 mi | 41:57 |
| 6 mi | 50:21 |
| 7 mi | 58:44 |
| 8 mi | 1:07:08 |
| 9 mi | 1:15:31 |
| 10 mi | 1:23:55 |
| 11 mi | 1:32:18 |
| 12 mi | 1:40:41 |
| 13 mi | 1:49:05 |
| 13.11 mi | 1:50:00 |
Pacing it in practice
These splits assume even effort on a flat course. Most personal bests are actually run slightly negative. That means a touch slower than target for the first half, then faster once you know the effort is sustainable. Going out fast and hanging on is the most common way to miss a time goal.
Open this target in the calculator to adjust it, switch units, or model a negative split.