Pace per mile
9:39/mi
Pace per km
6:00/km
Speed
6.21mph
Distance
10.00km
10K
Show the math
Pace = 1:00:00 ÷ 6.21 mi = 9:39 /mi
Splits
| Split | Time |
|---|---|
| Mile 1 | 0:09:39 |
| Mile 2 | 0:19:19 |
| Mile 3 | 0:28:58 |
| Mile 4 | 0:38:37 |
| Mile 5 | 0:48:17 |
| Mile 6 | 0:57:56 |
| Finish | 1:00:00 |
Equivalent race times
| Race | Predicted time | Pace per mile |
|---|---|---|
| 1 mile | 0:08:39 | 8:39 |
| 5K | 0:28:47 | 9:16 |
| Half marathon | 2:12:23 | 10:06 |
| Marathon | 4:36:01 | 10:32 |
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 10K times
Common questions
What pace is a 1:00:00 10K?
9:39 per mile, or 6:00 per kilometer.
What would that predict for other races?
1 mile about 0:08:39; 5K about 0:28:47; Half marathon about 2:12:23, using Riegel's formula.