21:00 5K: pace, race predictions & training paces
A 5K in 21:00 is an average pace of 6:46 per mi, or 8.9 mi/h. That result suggests a VO2max of about 47.0 (Strong).
Pace
6:46/mi
4:12 per km
Speed
8.9 mi/h
Race predictions
What this result projects to at the other distances, if you trained for each.
- 10K
- 43:47 7:03/mi
- Half Marathon
- 1:36:36 7:22/mi
- Marathon
- 3:21:24 7:41/mi
Training paces
The paces this fitness supports, from easy runs to short repetitions.
- Easy
- 8:16–9:55/mi
- Marathon
- 7:28–8:11/mi
- Threshold
- 7:12–7:33/mi
- Interval
- 6:29–6:46/mi
- Repetition
- 6:00–6:14/mi
Splits to run this time
Your time at each mark, at an even pace or with a negative split (second half faster).
| mi | Even | Negative split |
|---|---|---|
| 1 | 6:46 | 7:02 |
| 2 | 13:31 | 13:49 |
| 3 | 20:17 | 20:18 |
| 3.11 | 21:00 | 21:00 |
400 m lap on a track: 1:41
In the heat
What the same effort as a 21:00 5K costs on a warmer day.
- 77 °F
- 21:27 6:54/mi
- 86 °F
- 21:41 6:59/mi
Similar results
Same distance
Same fitness, other distances