Learning how to swim more efficiently is less about working harder and more about working smarter — the best swimmers look calm because they’ve cut the wasted effort out of every stroke. Efficiency means covering more distance for less energy, and it comes down to a handful of principles you can apply right away. This guide walks through each one: body position, drag, stroke length, kick, breathing, and staying relaxed.

The short answer

Efficient swimming is about reducing what fights you and getting the most from each stroke. Stay flat and long so your body slips through the water instead of plowing it, reach and glide so each stroke carries you farther, keep your kick small and steady, and breathe in a calm, continuous rhythm. Do those things and you’ll swim farther on less effort — not by pushing harder, but by wasting less. It’s the difference between fighting the water and flowing with it.

Start with body position and balance

Everything begins here. Water resists you most when your body is angled and wide, so the single biggest gain is getting flat and level:

  • Keep your head neutral, looking down or slightly forward — lifting it drops your hips.
  • Let your hips ride near the surface rather than sinking.
  • Press your chest gently down so your legs float up behind you.

If your legs drag low no matter what, that’s a classic efficiency killer — see why do my legs sink when I swim for the specific fixes. A balanced, level body means the water barely notices you’re there.

Reduce drag: be long and narrow

Drag is anything about your shape that the water has to shove aside. The narrower and longer you make yourself, the less it fights you:

  • Reach forward with each stroke so your body stretches out long, like an arrow.
  • Keep your legs together and toes pointed rather than splayed.
  • Avoid crossing your arms over the centerline, which makes you snake and widen.

Think of a canoe versus a barge. Same push, wildly different result. Every bit of tightness and length you add is free speed you didn’t have to work for.

Lengthen your stroke: distance per stroke

Two swimmers can move their arms the same number of times, but the one who travels farther per stroke wins on efficiency. Instead of spinning your arms faster, get more out of each pull:

  • Reach and extend fully before you begin the pull.
  • Catch and hold the water — press it back toward your hip rather than slipping through it.
  • Allow a brief glide on each stroke so your body runs out long before the next pull.

A great way to feel this is the catch-up drill from our swimming drills for beginners guide, which forces a patient, lengthened stroke.

Keep the kick relaxed and steady

Beginners often kick furiously, convinced it’s helping — but a huge kick mostly burns energy and tires your legs. For most swimming, your kick’s main job is balance and a little propulsion, not brute force:

  • Kick from the hips, legs long, with small, quick beats.
  • Keep your ankles loose and toes pointed so your feet act like fins.
  • Let it tick over steadily in the background while your body position does the heavy lifting.

An easy, relaxed kick keeps your legs up and your body flat — which loops right back to good position.

Breathe in a calm, steady rhythm

Nothing wrecks efficiency faster than a breathing panic. If you hold your breath and then gasp, you tense up, your rhythm falls apart, and you tire in a length or two. The fix:

  • Breathe out slowly and continuously through your nose and mouth while your face is down.
  • Turn to breathe in rhythm with your stroke rather than lifting your head straight up.
  • Keep it regular — a predictable breathing pattern keeps you calm and settled.

Steady breathing is often the real reason tired swimmers get tired. If that’s you, why do I get tired so fast when swimming digs into it further.

Stay relaxed everywhere else

Tension is drag you create with your own muscles. Clenched hands, stiff shoulders, and a rigid neck all cost energy and slow you down. As you swim, do a quick check:

  • Loosen your grip — your hands should be relaxed paddles, not fists.
  • Drop your shoulders and let your neck stay soft.
  • Move with a smooth, unhurried rhythm rather than a frantic scramble.

The calmer you stay, the more efficient you become — it’s a genuine feedback loop. Relaxed swimming looks slow and feels easy, yet it’s usually faster than thrashing.

Stay safe while you practice

  • Practice in water you can stand in, with a lifeguard or capable swimmer present. Never swim alone.
  • Rest whenever you need to — efficiency comes from smooth, focused swimming, not from pushing to exhaustion.

The next small step

Next session, pick one principle — say, keeping your head neutral so your hips rise — and give it your full attention for a few lengths. Then try another the following session. Efficiency isn’t one big change; it’s a stack of small ones. Layer them patiently and you’ll reach a point where swimming finally feels easy — like the water is helping instead of fighting you.