Race times / 10K / 38:00

38:00 10K: what it equals and how to train for it

Running a 10K in 38:00 means holding 3:48 per kilometre (6:07 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.

DistanceTimePace per kmPace per mile
5K18:203:405:54
10K38:003:486:07
15K58:243:546:16
10 miles1:02:573:556:18
Half marathon1:24:043:596:25
Marathon2:55:294:106:42

Training paces for this fitness

RunPer kmPer mileWhat it is for
Easy4:31 to 5:137:16 to 8:23Most of your running: conversational, builds the base.
Marathon4:106:42Steady, controlled race-effort running.
Threshold3:566:19Comfortably hard: tempo runs and cruise intervals.
Interval3:375:49Hard repeats of 3 to 5 minutes with jog recoveries.
Repetition3:245:29Short, 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 10K plan or build your own.

Questions

Is a 38:00 10K a good time?

It depends on your age, experience and goals. A 38:00 10K is an average pace of 3:48 per kilometre (6:07 per mile), which is equal in effort to 15K in 58:24. Use it as a starting point for training, not a verdict.

What should my easy pace be if I run a 38:00 10K?

About 4:31 to 5:13 per kilometre (7:16 to 8:23 per mile). Easy runs should feel conversational; threshold work sits near 3:56 per kilometre.

Faster: 36:00 10K  ·  Slower: 40:00 10K  ·  All race times

These are estimates, not guarantees of a future result. Pace figures round to the second.