How fast should an easy run be?
An easy run should feel conversational. You can speak full sentences without gasping, roughly 60 to 75 percent of your maximum heart rate. In pace terms that often lands 60 to 90 or more seconds per kilometre slower than your 5K pace. The number is a guide. Your breathing and how the run feels are your real gauge.
If you can't speak in full sentences, you are running too hard for an easy day; ease off until you can, even though the slower pace will feel too easy.
What is an easy run?
An easy run is a run at an effort you could sustain for a long time and still finish able to chat. Your legs turn over, your breathing stays relaxed, and you never feel like you're pushing. Coaches describe it as the pace where you could talk to a running partner in full sentences.
The trap is that this pace feels almost embarrassingly slow, especially early in a run when your legs are fresh. Most runners drift faster without noticing, and by the end an "easy" run has quietly become a moderate one.
What is the 80/20 rule?
The 80/20 idea is that about 80 percent of your weekly running should be easy, and only about 20 percent should be hard. It comes from watching how elite endurance athletes train: they run slow far more often than most amateurs believe, and they save real intensity for a small number of focused sessions.
The mistake amateurs make is running the middle. Their easy days are a bit too hard and their hard days are a bit too soft, so everything blurs into one grey, moderate effort. You get tired without getting faster. Keeping easy days easy is what lets your hard days be hard.
How much slower than 5K pace is easy pace?
As a rough starting point, easy pace commonly sits 60 to 90 or more seconds per kilometre slower than your 5K race pace. Here's how the common efforts compare by feel, breathing, and rough pace.
| Effort | How it feels | Talk test | Rough pace vs 5K |
|---|---|---|---|
| Easy | Relaxed, could go much longer | Full sentences, easy conversation | 60 to 90+ sec/km slower |
| Steady | Working, controlled, comfortable | Short sentences, some effort | 20 to 40 sec/km slower |
| Threshold | Hard but sustainable for ~an hour | A few words at a time | 10 to 20 sec/km slower |
Treat the pace column as a sanity check. On a hot day, on tired legs, or up a climb, the same effort will be slower, and that's correct. Run the effort. If you want your own numbers, the pace calculator turns a recent race into effort bands.
Why does easy running matter?
Easy miles build the aerobic base that everything else sits on. Run slow and you grow capillaries, strengthen your heart, and teach your body to burn fuel more efficiently, all with little wear on your joints and tendons. Easy running is also how you recover between hard sessions and how you add volume without piling on injury risk.
- Aerobic base. The bulk of your fitness is built at low effort, over time.
- Recovery. Gentle running clears fatigue so the next quality session lands.
- Injury prevention. Low impact and low intensity keep you healthy enough to keep training.
- Sharper hard days. Rested legs let you hit your intervals and tempos.
Why is it so hard to run easy?
Slow feels wrong. Your ego says a real runner goes faster. The pace feels lazy, so you nudge it up. You hit a hill and push over the top. A faster runner passes and you match them. None of these are training decisions. They're reactions that turn easy days into moderate runs.
The fix is honest feedback. It catches you drifting fast when a glance at your watch would miss it.
How do you keep easy runs honest?
Two tools work. The first is the talk test: every few minutes, say a full sentence out loud. If you can't get it out cleanly, ease off. The second is a pace ceiling you can hear, so you don't have to keep glancing at a screen.
A continuous tone that rises when you slow and falls when you speed up gives you that ceiling by ear. You hold pace by sound, no screen. For easy runs, set the coaching to warn you only when you drift too fast. Drift over your easy ceiling and you hear it. Stay under it and you run in silence. More on the approach in audio pace alerts and running by feel.
Is it bad to run all my runs at the same pace?
Yes, mostly. Running everything at one moderate effort leaves your easy days too hard to recover from and your hard days too soft to drive improvement. Splitting your week into easy and hard days gives you both recovery and a training stimulus.
Should I walk during an easy run?
If holding an easy, conversational effort means walking the hills or walking to bring your heart rate down, walk. Keeping the effort easy matters more than running every step. As fitness grows, you'll walk less at the same effort.
How do I know if I'm running easy runs too hard?
Use the talk test. If you can't speak a full sentence comfortably, you're over the line. Persistent heavy legs, poor sleep, and dread before easy runs are also signs your "easy" pace is moderate.
Can Steady Pace warn me only when I'm too fast?
Yes. Set a wide tolerance band and one-sided coaching so the tone only sounds when you drift above your easy ceiling. Stay under it and you run in silence, which is exactly what easy days call for.