Pace per mile
6:46/mi
Pace per km
4:12/km
Speed
8.88mph
Distance
5.00km
5K
Show the math
Pace = 0:21:00 ÷ 3.11 mi = 6:46 /mi
Splits
| Split | Time |
|---|---|
| Mile 1 | 6:46 |
| Mile 2 | 13:31 |
| Mile 3 | 20:17 |
| Finish | 21:00 |
Equivalent race times
| Race | Predicted time | Pace per mile |
|---|---|---|
| 1 mile | 0:06:19 | 6:19 |
| 10K | 0:43:47 | 7:03 |
| Half marathon | 1:36:36 | 7:22 |
| Marathon | 3:21:25 | 7:41 |
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.
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These are estimates, not a diagnosis. A clinician can account for your health history and medicines.
Other 5K times
Common questions
What pace is a 21:00 5K?
6:46 per mile, or 4:12 per kilometer.
What would that predict for other races?
1 mile about 0:06:19; 10K about 0:43:47; Half marathon about 1:36:36, using Riegel's formula.