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Four to eight weeks is what most runners need to go from a nonstop 5K to a nonstop 10K. Three runs a week is enough, and none of them need to be fast.
The distance itself will take you around 60 to 75 minutes on the first attempt, so what you are building is the endurance to stay on your feet that long without a break.
In this article, we'll explain how to prepare for a 10K, why most first attempts end in a walk, and what pace and heart rate to run at. We'll also share a 6-week training plan that will take you to your first nonstop 10K.
How long it takes to train to run 10K
How long you need depends on where you are starting from:
- If you can already run a 5K without stopping — 4 to 6 weeks is usually enough. Your aerobic base is in place and you mainly need time on your feet.
- If you can run 30 minutes with walk breaks — give yourself about 8 weeks. Your first job is to remove the walk breaks from 30 minutes, then extend from there.
- If you can run less than 20 minutes at a time — plan on 10 to 12 weeks. Moving faster than that is where new runners pick up shin splints and other common injuries.
Whichever starting point is yours, three running days a week is enough. More days help later, and they may add injury risk while your legs are still adapting.
Why you can run 5K but not 10K
The gap between 5K and 10K usually comes down to two things:
1. Your longest run never grew past 5K
If your longest single run has been around 3 miles for weeks, setting out to cover 10K means doubling it in one day. Months of consistent 5Ks do not prepare your legs for that jump. To go further, one run each week should be longer.
2. You run too fast
The pace you can hold for half an hour is close to the hardest effort your body can sustain before fatigue builds faster than you can clear it. Nobody holds 5K pace for twice the distance. Even world record holders run their 10K slower than their 5K.
Most recreational runners arrive at the distance with one moderately hard pace for everything, which coaches call the moderate-intensity rut: hard enough to need recovery from, easy enough that it builds little. Covering 10K means running slower than that, and the next section gives you the number.
What pace and heart rate to run 10K at
Run your first 10K 60 to 90 seconds per mile (35 to 55 seconds per km) slower than your 5K pace. For example, if you race a 5K at 10:00 per mile (6:13 per km), aim for 11:00 to 11:30 per mile (6:50 to 7:09 per km).
By heart rate, that is roughly 70% to 80% of your maximum. Keep in mind that a 10K run as a race goes far higher than this, close to threshold, and that is a different goal. Here the target is covering the distance without a walk break.
Without a watch, use the talk test. If you can speak a full sentence out loud without gasping between words, you are at the right effort. Research supports it as a practical way to regulate intensity, because the point where talking becomes difficult tracks closely with your ventilatory threshold.
Check your pace at the end of the first mile, while it is still easy to correct. Most runners who fade at 5 miles were already 20 seconds a mile too fast in the opening half mile.
Related: What Heart Rate Should You Run At? A Guide to the Five Zones
A six-week plan to run 10K without stopping
This plan assumes you can already run 30 minutes or about 5K without stopping.
Spread the three runs so that no two of them fall on back-to-back days. Tuesday, Thursday, and Saturday suits most schedules, and Tuesday, Thursday, and Sunday works just as well if you prefer a weekend long run.
Put the long run on the weekend day, when you have more time and nothing to rush to afterward. Keep one full rest day between runs, and take two after the long run in any week that leaves you sore. Run everything at the easy pace we explained above.
In miles:
| Week | Run 1 | Run 2 | Long run |
|---|---|---|---|
| 1 | 2 miles | 2 miles | 3 miles |
| 2 | 2 miles | 2.5 miles | 3.5 miles |
| 3 | 2.5 miles | 2.5 miles | 4 miles |
| 4 | 2.5 miles | 3 miles | 4.5 miles |
| 5 | 3 miles | 3 miles | 5 miles |
| 6 | 3 miles | 2 miles | 10K |
In kilometers:
| Week | Run 1 | Run 2 | Long run |
|---|---|---|---|
| 1 | 3 km | 3 km | 5 km |
| 2 | 3 km | 4 km | 5.5 km |
| 3 | 4 km | 4 km | 6.5 km |
| 4 | 4 km | 5 km | 7 km |
| 5 | 5 km | 5 km | 8 km |
| 6 | 5 km | 3 km | 10K |
Repeat a week if you miss two runs in it, because the long run is what builds the distance and it needs the weeks of build-up behind it. And drop the long run back by a mile (1.5 km) any week it leaves you sore for more than two days.
How far your longest run should be before a 10K
About 5 miles (8 km), or roughly 50 minutes of continuous running. You never need to cover the full 10K before the day you do it for real.
How that works out depends on which 10K you are aiming for:
If you are running a 10K race. Your longest training run never has to reach 6.2 miles. Race day supplies the rest, because you arrive on fresh legs after an easier week, and running in a field of other people lifts your pace without extra effort. Hal Higdon, the American coach and longtime Runner's World writer whose beginner plans have been followed by millions of runners, tops out at 5.5 miles for this reason, with the full distance saved for the event itself.
If you are running 10K on your own. The full distance is your attempt, and in the plan above it falls in week 6. You still build to 5 miles and stop there, because the training weeks exist to put you at the start of that run with fresh legs.
How to keep going when you want to stop
The urge to stop usually arrives between 40 and 50 minutes. Here’s what you can do to keep moving:
- Slow down. Dropping 30 to 40 seconds a mile is enough to settle your breathing, and it keeps you running. Starting again after a stop takes far more out of you than holding a slower pace does.
- Shorten your stride on hills. Take smaller, quicker steps and let your pace drop on the climb. Fighting to hold pace uphill is what ends most runs on hilly routes.
- Pick a route you cannot cut short. Head out in one direction for half the distance before you turn around. Getting back then means covering that same distance again, and the decision is made for you. Circling the block you live on gives you a reason to stop on every lap.
- Stop counting the distance. Run to the next five-minute mark, or to the next tree, the next lamppost, the end of the street, and pick a new one as soon as you reach it. Looking around at the weather and the view works the same way, and the miles left stop occupying you.
How to know you are ready for a 10K
Three checks tell you that you are ready:
- You have run 50 minutes continuously at an easy pace in the past two weeks.
- You have completed three runs a week for a month with no missed weeks.
- You have no pain that gets worse as a run goes on.
If all three are true, pick a day, start slower than feels right, and run your first 10K without stopping. Good luck!
Frequently asked questions
How far is a 10K in miles?
A 10K is 6.2 miles. For most beginners that works out to 60 to 75 minutes of running.
Can you run a 10K without training?
Most people cannot cover it without walking, and attempting it untrained carries a real risk of injury. If you can run 30 minutes continuously, a run-walk approach gets you to the finish of a 10K event.
How many times a week should you run to build up to 10K?
Three runs a week, with a rest day between them, builds the distance for almost everyone. A fourth day helps once you can run an hour comfortably.
Is it OK to walk during a 10K race?
Yes, and walk breaks taken on purpose often produce a faster finish than running until you fade. Jeff Galloway, the US Olympian who developed the run-walk-run method, built his whole approach around planned walk breaks, and the method remains popular with new runners.
Should you try your first 10K on a treadmill or outside?
A treadmill holds your pace steady and removes traffic lights, which helps on a first attempt. Outside gives you hills, wind, and a clearer picture of what a 10K race will feel like.
