The short answer: run three times a week for eight weeks, building from run-walk intervals to continuous running. Keep every run slow enough to talk. Add a little each week, repeat any week that feels hard, and do the distance once in training before you do it at an event — or don't, and enjoy the occasion.
What you need before starting
Very little. If you can walk briskly for 30 minutes, you can start this plan. If you're already running a bit, you can begin partway through.
Three sessions a week, roughly 30 minutes each, with a rest day between each one.
The eight-week plan
Each session: five minutes brisk walking to warm up, the intervals below, then five minutes walking to cool down.
- Week 1: Run 1 min, walk 2 min × 8
- Week 2: Run 2 min, walk 2 min × 6
- Week 3: Run 3 min, walk 90 sec × 5
- Week 4: Run 5 min, walk 90 sec × 4
- Week 5: Run 8 min, walk 2 min × 3
- Week 6: Run 12 min, walk 2 min × 2
- Week 7: Run 20 min continuous, then 5 min easy
- Week 8: Run 25-30 min continuous. This is your 5K.
Three sessions of the same workout each week. There's no need to make one harder than the others.
The rule that matters most
Run slowly enough to speak a full sentence out loud. Not a word or two — a sentence, a bit breathlessly.
Nearly everyone runs this plan too fast and then concludes they aren't built for running. The intervals are designed to be completed comfortably. If you're finishing them gasping, the pace is wrong, not your fitness.
Repeating weeks is normal
If a week feels hard, do it again rather than moving on. Taking twelve weeks to finish an eight-week plan is a completely ordinary outcome and produces exactly the same 5K.
The plan is a guide, not a schedule you're failing against.
What to expect week by week
Weeks 1-2 often feel harder than they look on paper, and a bit discouraging. Weeks 3-4 are where most people notice the first real change — the running blocks stop feeling like an ordeal. Weeks 5-6 are the biggest mental jump, going from short intervals to sustained running. Weeks 7-8 are usually easier than expected, because the fitness is already there.
The most common point to quit is week 2, just before it starts working.
Missing sessions
Miss one, carry on as planned. Miss a week, repeat the last week you completed. Miss two or three weeks, drop back a couple of weeks and rebuild — it'll come back faster than it went.
Doing it at an event
Many people make a free weekly timed 5K their first. There's a measured course, people around you, and no pressure at the back. Others prefer to do it alone on a familiar route, which is equally valid.
If you're going to an event, arrive early, start near the back, and go out slower than feels right. Starting too fast in the excitement is the classic first-5K mistake.
See how to find local races and events.
How long it should take
Most beginners finish a first 5K somewhere between 30 and 40 minutes. That's a broad range and not a standard to meet. More on that in how long it takes to run 5K.
After the 5K
Two directions. Consolidate — keep running 5K three times a week until it feels genuinely easy, which is the best foundation for everything after. Or extend, with a 10K plan.
Plenty of people also use this as the point to join a club, since 5K comfortably is enough for most clubs' slowest group. See whether run clubs suit beginners.
A note on health
General muscle soreness while adapting is normal. Sharp or localised pain, or pain that worsens as you run, means stopping and speaking to a GP or physiotherapist. If you're new to exercise, returning after injury, or have any health conditions, check with a GP before starting. This is general guidance, not medical advice.
Takeaways
- Three runs a week for eight weeks, run-walk building to continuous.
- Slow enough to talk in full sentences — this is the whole trick.
- Repeat weeks freely; the timeline is a guide.
- Start your first 5K slower than feels right.
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