Butterfly has a reputation as the stroke that empties your tank in under 25 yards, and for most amateurs that’s not because they lack strength — it’s because their arms, kick, and breath are all fighting each other instead of working on the same beat.
This guide breaks down the timing that makes butterfly feel like a rhythm instead of a wrestling match: when to kick, when to breathe, and where to let the water do the work so you can swim more than one length without gasping on the wall.
Quick Answer
Swim butterfly efficiently by syncing two dolphin kicks to every arm cycle (one as your hands enter the water, one as they exit near your hips), breathing quickly during the arm recovery instead of holding your breath, and gliding for a beat after each pull instead of muscling straight into the next stroke. Fatigue in butterfly almost always comes from bad timing, not weak arms.
Master the Two-Beat Kick Timing
Butterfly uses two dolphin kicks per arm cycle, not a continuous flutter. The first kick — sometimes called the entry kick — fires as your hands enter the water and stretch forward; it restores your body alignment and sets up the pull. The second kick, the exit kick, fires as your hands finish pulling and exit near your hips; it lifts your hips and boosts hand speed heading into the recovery, which makes the arm-swing-over-water part of the stroke feel almost free instead of exhausting.
Most beginners either kick randomly or kick with their arms instead of ahead of them, which turns the stroke into two separate efforts fighting for the same energy. A simple fix: practice one-arm butterfly drills, where one arm stays extended in front while the other pulls, and count ‘one-two’ out loud with each kick until the entry-kick, exit-kick pattern becomes automatic before you put both arms back together.
Time Your Breath to the Wave, Not to Panic
The most energy-draining habit in amateur butterfly is holding the breath and then yanking the head up late to grab air. Instead, let your body’s natural undulation do the lifting: start your breath as your chest and shoulders rise during the pull, take a quick inhale, and get your head back down and looking forward before your arms finish swinging over the water. Breathing this way — ‘rise to breathe, fall to exhale’ — costs you almost no extra head movement.
Exhale continuously through your nose and mouth while your face is submerged rather than holding it all in, since holding a breath adds tension throughout your torso and shortens how many strokes you can sustain. Beginners also tend to breathe on every single stroke because it feels safer, but that habit disrupts the undulation rhythm; many coaches recommend settling into breathing every stroke or every other stroke consistently, rather than switching back and forth mid-length.
Keep your chin close to the water’s surface and lift only as high as needed to clear your mouth. Lifting the head too high pushes the hips and legs down, which increases drag and forces the kick to work harder just to keep you level — a direct energy leak.
Tips and Common Mistakes
Glide after every pull. As your hands re-enter the water and your body stretches forward, let yourself streamline for a beat before pulling again instead of rushing the next stroke. That brief glide is where you recover and where the stroke’s momentum carries you forward for free.
Common mistake: kicking with the arms instead of ahead of them. If your kick and pull happen at the same instant, you lose the hip-lift and hand-speed boost the exit kick is supposed to give you, and the stroke turns into pure arm work.
Common mistake: lifting the head straight up to breathe instead of letting the body’s rise carry the head up. This flattens your body position and kills momentum.
Common mistake: sprinting the first 15 meters. Butterfly punishes poor pacing faster than any other stroke — start at a controlled effort with clean timing, and only add power once the rhythm feels automatic.
Build the stroke in pieces rather than all at once: practice the body undulation and kick on their own first, then add the arm pull, then layer in breathing last. Trying to coordinate all four elements from day one is what makes butterfly feel impossible for most newcomers.
Explore more: More swimming technique guides.
Butterfly stroke rhythm for beginners FAQs
Why does butterfly tire me out so fast?
Almost always it’s timing, not fitness — an out-of-sync kick, a held breath, or a head lifted too high all add drag and tension that burn extra energy every single stroke.
How many kicks per stroke does butterfly use?
Two: one dolphin kick as your hands enter the water and stretch forward, and a second as your hands finish the pull and exit near your hips.
Should I breathe every stroke in butterfly?
Not necessarily. Breathing every stroke feels safer for beginners but can disrupt rhythm; many swimmers find breathing every other stroke, done consistently, is more sustainable once the timing feels natural.
What’s the fastest way to fix bad butterfly timing?
One-arm butterfly drills. Keeping one arm extended while the other pulls isolates the two-kick pattern so you can feel and count the timing before combining both arms.
Level Up With SportsSteps
Track your athlete’s progress, connect with coaches and your team, and grow — get the SportsSteps app. Get the SportsSteps App.
Want youth sports news in your inbox? Subscribe to the free newsletter.
Photo: Cpl. Raymond D. Petersen III / Public domain, via Wikimedia Commons.
