31:00 5K: what it equals and how to train for it
Running a 5K in 31:00 means holding 6:12 per kilometre (9:59 per mile). Here is what that fitness is worth at other distances, and the paces to train at.
Equal race times
Predictions from an equal-effort model: the time you could run at each distance with the same fitness and the right training. Longer distances need specific endurance work.
| Distance | Time | Pace per km | Pace per mile |
|---|---|---|---|
| 5K | 31:00 | 6:12 | 9:59 |
| 10K | 1:04:29 | 6:27 | 10:23 |
| 15K | 1:39:23 | 6:38 | 10:40 |
| 10 miles | 1:47:07 | 6:39 | 10:43 |
| Half marathon | 2:22:45 | 6:46 | 10:53 |
| Marathon | 4:52:41 | 6:56 | 11:10 |
Training paces for this fitness
| Run | Per km | Per mile | What it is for |
|---|---|---|---|
| Easy | 7:24 to 8:28 | 11:55 to 13:38 | Most of your running: conversational, builds the base. |
| Marathon | 6:56 | 11:10 | Steady, controlled race-effort running. |
| Threshold | 6:28 | 10:24 | Comfortably hard: tempo runs and cruise intervals. |
| Interval | 5:58 | 9:36 | Hard repeats of 3 to 5 minutes with jog recoveries. |
| Repetition | 5:37 | 9:03 | Short, fast repeats with full recovery, for speed and form. |
How to use these numbers
- Run most of your weekly distance at the easy pace. If you can only speak in short sentences, slow down.
- Keep threshold and interval work to a small share of the week, and add it gradually.
- Hot, hilly or windy? Judge hard sessions by effort, not pace.
- Re-check your numbers after a new race or a hard time trial: fitness changes, and so should your paces.
Turn this into a plan
Runergy Lab builds a week-by-week plan from your own race time, with these paces, the long runs and the easy weeks, and re-plans when life gets in the way. See the faster-5K plan or build your own.
Questions
Is a 31:00 5K a good time?
It depends on your age, experience and goals. A 31:00 5K is an average pace of 6:12 per kilometre (9:59 per mile), which is equal in effort to 10K in 1:04:29. Use it as a starting point for training, not a verdict.
What should my easy pace be if I run a 31:00 5K?
About 7:24 to 8:28 per kilometre (11:55 to 13:38 per mile). Easy runs should feel conversational; threshold work sits near 6:28 per kilometre.
Faster: 30:00 5K · Slower: 32:00 5K · All race times
These are estimates, not guarantees of a future result. Pace figures round to the second.