Pace per mile
6:52/mi
Pace per km
4:16/km
Speed
8.74mph
Distance
21.10km
Half marathon
Show the math
Pace = 1:30:00 ÷ 13.11 mi = 6:52 /mi
Splits
| Split | Time |
|---|---|
| Mile 1 | 0:06:52 |
| Mile 2 | 0:13:44 |
| Mile 3 | 0:20:36 |
| Mile 4 | 0:27:28 |
| Mile 5 | 0:34:20 |
| Mile 6 | 0:41:12 |
| Mile 7 | 0:48:03 |
| Mile 8 | 0:54:55 |
| Mile 9 | 1:01:47 |
| Mile 10 | 1:08:39 |
| Mile 11 | 1:15:31 |
| Mile 12 | 1:22:23 |
| Mile 13 | 1:29:15 |
| Finish | 1:30:00 |
Equivalent race times
| Race | Predicted time | Pace per mile |
|---|---|---|
| 1 mile | 0:05:53 | 5:53 |
| 5K | 0:19:34 | 6:18 |
| 10K | 0:40:47 | 6:34 |
| Marathon | 3:07:39 | 7:09 |
Riegel's formula: T2 = T1 × (D2 ÷ D1)^1.06. Assumes training for the distance.
How to use it
- Enter your numbers. Switch between US and metric units at any time.
- Results update as you type, and the formula is shown so you can check it.
- Copy the link, save the plan on this device, or print it for your next appointment.

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These are estimates, not a diagnosis. A clinician can account for your health history and medicines.
Other Half marathon times
Common questions
What pace is a 1:30:00 Half marathon?
6:52 per mile, or 4:16 per kilometer.
What would that predict for other races?
1 mile about 0:05:53; 5K about 0:19:34; 10K about 0:40:47, using Riegel's formula.