Pace per mile
11:27/mi
Pace per km
7:07/km
Speed
5.24mph
Distance
21.10km
Half marathon
Show the math
Pace = 2:30:00 ÷ 13.11 mi = 11:27 /mi
Splits
| Split | Time |
|---|---|
| Mile 1 | 0:11:27 |
| Mile 2 | 0:22:53 |
| Mile 3 | 0:34:20 |
| Mile 4 | 0:45:46 |
| Mile 5 | 0:57:13 |
| Mile 6 | 1:08:39 |
| Mile 7 | 1:20:06 |
| Mile 8 | 1:31:32 |
| Mile 9 | 1:42:59 |
| Mile 10 | 1:54:25 |
| Mile 11 | 2:05:52 |
| Mile 12 | 2:17:18 |
| Mile 13 | 2:28:45 |
| Finish | 2:30:00 |
Equivalent race times
| Race | Predicted time | Pace per mile |
|---|---|---|
| 1 mile | 0:09:48 | 9:48 |
| 5K | 0:32:36 | 10:30 |
| 10K | 1:07:59 | 10:56 |
| Marathon | 5:12:44 | 11:56 |
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 2:30:00 Half marathon?
11:27 per mile, or 7:07 per kilometer.
What would that predict for other races?
1 mile about 0:09:48; 5K about 0:32:36; 10K about 1:07:59, using Riegel's formula.