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Sub-1:50 Half Marathon Pace

To break 1:50:00 you need 5:13 per kilometer or 8:23 per mile (11.5 km/h, 7.2 mph). Set your own target below, then take the splits and a pace band to the start line.

Half marathon
15000

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Pace
5:13 /km
Status
Sub-2:00 · 10:00 to spare

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Your pace band

Clock time at every marker. Print it, cut it, tape it to your wrist.

The same pace from start to finish.

  1. Half marathon1:50:00
  2. 5K26:04
  3. 10K52:08
  4. 15K1:18:12
  5. 20K1:44:17
  6. Finish1:50:00

If you can run 1:50:00

Equivalent race times from the Riegel formula. Longer-race predictions assume your endurance training matches.

5K23:55
10K49:51
Half marathon1:50:00
Marathon3:49:21

Workout paces

Interval targets based on your equivalent 5K effort.

RepTarget
Mile7:37–7:53
1000m4:33–4:47
800m3:33–3:45
400m1:41–1:47
200m0:44–0:49

Sub-1:50 half marathon splits

Even-pace clock times for a 1:50:00 half marathon. Holding 5:12 per kilometer finishes in 1:49:42; holding 8:23 per mile finishes in 1:49:54.

Kilometer splits at 5:13/km
5 km26:04
10 km52:08
15 km1:18:12
20 km1:44:17
Finish1:50:00
Mile splits at 8:23/mi
Mile 18:23
Mile 216:47
Mile 325:10
Mile 433:34
Mile 541:57
Mile 650:21
Mile 758:44
Mile 81:07:08
Mile 91:15:31
Mile 101:23:55
Mile 111:32:18
Mile 121:40:41
Mile 131:49:05
Finish (13.1 mi)1:50:00

Race times that go with a sub-1:50 half marathon

Riegel-formula equivalents for a 1:50:00 half marathon. If your weekly mileage is modest, aim for about 49:07 in the 10K rather than 49:51 before committing to this goal.

5K23:55
10K49:51
marathon3:49:21

Frequently asked questions

What pace is a 1:50 half marathon?

A 1:50:00 half marathon averages 5:13 per kilometer or 8:23 per mile. Holding 5:12 per kilometer finishes in 1:49:42, and 8:23 per mile finishes in 1:49:54.

What 10K time do I need for a sub-1:50 half marathon?

The Riegel formula lines up a 1:50:00 half marathon with about 49:51 for the 10K. A more conservative estimate for runners without high weekly mileage is about 49:07.

What is the halfway split for a sub-1:50 half marathon?

At even pace the halfway split is 55:00. Many runners aim to pass halfway a few seconds slower and finish with a small negative split.