How to Start Running — A Beginner's Plan That Actually Works
Starting to run is simple and surprisingly hard: simple because all you need is shoes and a door, hard because most beginners start too fast, hurt something, and quit within a month. The failure is rarely fitness — it is pacing, progression and expectations, all of which are fixable before the first run.
This guide is a beginner's plan that actually works: how to start with run-walk intervals, what pace to run, what shoes to wear, how to progress without injury, and what the first eight weeks should look like. It is written for someone who cannot currently run for ten minutes — which is exactly where most runners started.
Use the calculator
Start with your own numbers: try our pace calculator, running calorie calculator to work out your figures before applying anything on this page. The worked examples below use round numbers so you can follow the maths; the calculators use your real weight, height, age and goal.
Related reading: Couch to 5K Guide — From Zero to 5K in 8 Weeks, Running for Weight Loss — How to Start and What to Expect, Running Shoes Guide — How to Choose the Right Pair. You can also browse the full guides section for the rest of the series.
The key points
Start with run-walk, not with running. Alternate 2 minutes of easy running with 2 minutes of walking, for 20–30 minutes, three times a week. The walking intervals let your joints, tendons and breathing recover, so you finish the session feeling good instead of destroyed — and feeling good is what brings you back for session two. Over 6–8 weeks the running intervals lengthen and the walking intervals shrink, until you are running continuously.
Run at a conversational pace — slower than you think. You should be able to speak in full sentences while running; if you can only gasp single words, you are going too fast. For most beginners that is about 7–8 minutes per kilometre, or slower, and it feels embarrassingly slow. It is not: easy running builds the aerobic base that makes faster running possible later, and running too fast is the single most common beginner error.
Three sessions a week is enough to start. Three 20–30 minute sessions build fitness steadily without overloading joints and tendons that are not used to impact. More sessions can come later, once the body has adapted — usually after 6–8 weeks. Rest days between sessions matter as much as the sessions themselves, because tendons and bones adapt more slowly than muscles and lungs.
Shoes matter, but not as much as the marketing suggests. Any comfortable running shoe that fits well will do for the first months — the most important thing is comfort and fit, not the brand or the price. Get fitted at a running shop if you can, replace shoes after roughly 500–800 km, and do not run in old trainers with worn-out soles. The shoe does not make the runner; the running does.
Progress by time, not by distance. Add about 10% to your total weekly running time each week, and never add time and intensity in the same week. A plan that grows from 60 minutes a week to 90 minutes over a month is sustainable; a plan that jumps from 0 to 100 minutes in a week produces a sore knee and a cancelled plan. The 10% rule is a guide, not a law — if something hurts, hold the volume steady for a week.
Expect the first two weeks to feel hard — and then easier. Breathing, heavy legs and the urge to stop are normal in the first fortnight, and they fade as the body adapts. By week four most beginners are surprised by how much easier the same run feels. The adaptation is real and it is fast, but it only happens if you keep showing up — three sessions a week, every week, even the weeks when motivation is low.
At a glance
| Week | Sessions | Run-walk pattern | Total time per session |
|---|---|---|---|
| 1–2 | 3× a week | 2 min run / 2 min walk | 20 min |
| 3–4 | 3× a week | 3 min run / 2 min walk | 25 min |
| 5–6 | 3× a week | 5 min run / 2 min walk | 30 min |
| 7–8 | 3× a week | 8 min run / 2 min walk | 30 min |
| 9–10 | 3× a week | 15 min run / 2 min walk | 35 min |
| 11–12 | 3–4× a week | 25–30 min continuous | 30–40 min |
The table is a guide, not a deadline: if a week feels hard, repeat it before moving on. Repeating a week is progress; getting injured is not.
The formula behind it
The pace maths is simple and worth knowing from the start. Pace per kilometre = time ÷ distance. A 30-minute run covering 4 km is 30 ÷ 4 = 7 minutes 30 seconds per kilometre. To convert to pace per mile, multiply by 1.609: 7:30 per km is about 12:04 per mile. The Riegel formula (Riegel, 1981) predicts race times from a known performance — time₂ = time₁ × (distance₂ ÷ distance₁)^1.06 — so a 30-minute 5K predicts a 10K of about 30 × 2^1.06 ≈ 62.5 minutes, a useful check on whether your goals are realistic.
The calorie maths uses the Compendium of Physical Activities (Ainsworth et al., 2011): calories = MET × weight (kg) × hours. An easy jog at 5 mph is 8.3 MET, so a 30-minute jog at 75 kg burns 8.3 × 75 × 0.5 ≈ 311 kcal. A beginner's 20-minute run-walk session burns less — roughly 150–200 kcal — because part of the time is walking at 4.3 MET. And the weekly volume rule is the 10% guideline: from 60 minutes a week, add about 6 minutes the next week, not 30. The body adapts to gradual load; it breaks under sudden load.
Your plan, step by step
- Get comfortable running shoes that fit well; wear moisture-wicking socks and layers you can remove.
- Start with 2 minutes run / 2 minutes walk for 20 minutes, three times a week, at a conversational pace.
- Lengthen the running intervals each week and shorten the walking breaks, following the table above.
- Add about 10% to total weekly time per week — never more, and never add speed and volume together.
- After 8–12 weeks, aim for 30 minutes of continuous running, then set a goal: a 5K, a regular route, or a weekly distance.
How to use this guide
Use this plan as a permission slip to go slowly. The beginners who succeed are not the fittest or the most motivated — they are the ones who went slowly enough to stay uninjured for eight weeks, because eight weeks of slow running builds more fitness than two weeks of fast running followed by a month off with a sore knee. Slow is not a compromise; slow is the strategy.
Track time, not distance, in the first months, and track how you feel. A simple log — date, minutes run, minutes walked, how it felt — is enough to see the progress that the mirror and the scale will not show. When the same run feels easier than it did a month ago, that is fitness, and it is the only measure that matters at this stage.
What this guide does NOT tell you
This guide is for healthy adults starting from little or no running: it cannot judge whether running is safe for you, and it does not diagnose or treat anything. Anyone with a heart condition, joint problems, high blood pressure, diabetes, asthma or a long period of inactivity should check with a clinician before starting — and chest pain, severe breathlessness, dizziness or sharp joint pain while running are signals to stop and get checked, not to push through.
The paces and progressions here are population averages: your comfortable pace depends on your fitness, weight, age and the terrain, and the 10% rule is a guideline rather than a law. Running surfaces, weather and shoes all change the load on the body, and the table is a starting point to adjust from, not a prescription. This guide is general information, not medical advice.
Frequently asked questions
How long does it take to learn to run 5K?
Most complete beginners reach 5K in 8–12 weeks with three run-walk sessions a week, following a gradual plan like the one in this guide. Some take longer — 12–16 weeks is normal for people starting from no exercise at all — and that is fine: the timeline depends on your starting fitness, weight, age and how consistently you train. Repeating a week is progress; getting injured by rushing is not.
What pace should a beginner run at?
Slow enough to hold a conversation in full sentences — for most beginners that is about 7–8 minutes per kilometre, or slower. If you can only gasp single words, you are going too fast. Easy running builds the aerobic base that makes faster running possible later, and running too fast is the most common beginner error. Speed comes after the base is built, usually after 8–12 weeks of easy running.
Is it normal for running to hurt when you start?
Some muscle soreness and heavy legs are normal in the first two weeks, and they fade as the body adapts. Sharp pain, pain in a joint (especially the knee or ankle), pain that worsens during a run, or pain that does not settle within a few days is not normal — it is a signal to rest and, if it persists, to get checked. The difference between soreness and injury is the difference between discomfort that fades and pain that grows.
Do I need special shoes to start running?
You need comfortable running shoes that fit well — not the most expensive pair, and not a specific brand. Get fitted at a running shop if you can, wear moisture-wicking socks, and replace shoes after roughly 500–800 km. Do not run in old trainers with worn soles or in shoes designed for other sports. The shoe matters far less than the pacing and the progression, but a bad fit can cause blisters and sore feet that end a plan early.
How many days a week should a beginner run?
Three days a week is the sweet spot: enough to build fitness steadily, with rest days between sessions for joints and tendons to adapt. Two days a week still works, just more slowly. Four or more days is possible after 6–8 weeks, once the body has adapted to the impact — but adding days too early is a common cause of shin splints and knee pain. Start with three, and add a fourth only when the three feel easy.
Estimates only, not medical advice. Minimum safe intakes: 1,200 kcal/day women, 1,500 kcal/day men — consult a healthcare professional before a very-low-calorie diet.