Running Economy Explained: Why Some Runners Use Less Energy Than Others

Two men in activewear jogging near a lake with a cityscape backdrop in Paraná, Brazil.

Imagine driving two cars over the same journey.

Both have engines of similar size.

Both travel at the same speed.

One arrives using significantly less fuel.

We naturally describe that car as more efficient.

Running works in much the same way.

Every runner needs energy to move forward. Some bodies simply learn to use that energy more effectively. They don’t necessarily have bigger lungs or stronger hearts. Instead, they waste less effort with every stride. That ability to do more with the same amount of energy is known as running economy.

For distance runners, it is one of the qualities that quietly separates good performances from great ones.

What Is Running Economy?

Running economy describes how much energy your body uses to maintain a particular running pace.

A runner with good economy requires less oxygen and less energy to run at the same speed as someone with poorer economy.

Think of it as efficiency rather than fitness.

Fitness determines how much energy your body can produce.

Running economy determines how wisely that energy is used.

Both matter.

Neither can completely replace the other.

Why Running Economy Matters

Many runners believe improving means becoming fitter.

Fitness is certainly important.

But imagine two runners with identical aerobic fitness.

If one wastes less energy with every step, they will usually feel more comfortable, recover more easily, and often maintain their pace for longer.

That’s why running economy becomes increasingly important in longer races.

Small savings in energy during every stride become enormous advantages after thousands of steps.

Efficiency compounds over distance.

What Makes One Runner More Economical?

There isn’t a single answer.

Running economy develops through many small factors working together.

Consistent training.

Relaxed movement.

Strong muscles.

Good coordination.

Appropriate cadence.

Balanced posture.

Experience.

Even psychological confidence can influence how efficiently someone runs.

Rather than searching for one secret, experienced coaches focus on improving many small details over time.

Together, they create smoother movement and lower energy cost.

Running Form and Running Economy

This is where many runners become confused.

Good running form supports running economy.

It does not guarantee it.

Two elite runners may have noticeably different arm swings or foot strike patterns, yet both display exceptional running economy.

Why?

Because efficient movement is highly individual.

The goal isn’t to copy another runner’s style.

It’s to reduce unnecessary movement, tension, and wasted effort within your own natural mechanics.

That’s why improving posture, relaxing the shoulders, and maintaining a comfortable cadence often help runners become more economical without dramatically changing the way they run.

Strength Makes Running More Efficient

Running economy isn’t determined only by technique.

Strength plays an equally important role.

Strong muscles stabilise the body more effectively, allowing less energy to be lost through unnecessary movement.

A stable pelvis.

Strong calves.

Responsive ankles.

A balanced core.

These qualities help every stride become smoother and more controlled.

This is one reason many distance runners include strength training throughout the year.

The goal isn’t bigger muscles.

It’s more efficient movement.

Experience Improves Efficiency

Watch someone during their first month of running.

Then watch them a year later.

The difference often isn’t dramatic.

It’s subtle.

Their movements become calmer.

Their rhythm becomes steadier.

Their breathing feels more controlled.

They waste less motion.

These improvements rarely happen because they consciously changed every aspect of their technique.

They happen because repetition teaches the body how to move more efficiently.

Running economy improves naturally as experience grows.

Can You Measure Running Economy?

Scientists can measure running economy in laboratories by comparing oxygen consumption at specific running speeds.

Most recreational runners never need this level of testing.

Instead, you’ll notice the effects in everyday training.

A familiar pace begins to feel easier.

Your breathing remains calmer.

You recover more quickly after runs.

Long distances require less effort than they once did.

These are practical signs that your economy is improving.

How Can You Improve Running Economy?

There isn’t one exercise or workout that transforms efficiency overnight.

Running economy develops through consistent habits.

Run regularly.

Include easy runs.

Build strength.

Practise good running form.

Recover well.

Allow your body time to adapt.

Each of these contributes a small improvement.

Together, they create meaningful change.

The process is gradual, but remarkably effective.

Efficiency Is a Long-Term Investment

Running economy rewards patience.

Unlike speed, it rarely changes dramatically from one month to the next.

Instead, it improves quietly through thousands of well-executed strides.

Every relaxed easy run.

Every balanced long run.

Every strength session.

Every recovery day.

Each contributes something to the remarkable efficiency your body gradually develops.

You may never notice the exact moment your running economy improves.

You’ll simply realise one day that your favourite route feels easier than it used to.

You finish your long run with more energy.

The pace that once demanded your full attention now feels comfortable.

That’s the quiet beauty of running economy.

It doesn’t announce itself with impressive numbers or dramatic breakthroughs.

It simply allows every step to cost a little less than the one before.

Over weeks, months, and years, those tiny savings become one of the greatest advantages any runner can earn. Running farther, feeling stronger, and enjoying the journey more isn’t always about producing more energy. Often, it’s about learning to waste less of the energy you already have.

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