From Beginner to Pro

The Ultimate Butterfly Stroke Guide

author swim coach dan novikov
Dan Novikov
Ever find yourself thinking, "I could never do that," while watching a swimmer execute the butterfly stroke? You're not alone.

Butterfly tests your technique, rhythm, and coordination. But conquering this stroke may change your life in countless ways, from increasing your strength and stamina to making you feel more comfortable in the water.

Beginner swimmers may find blending the sweeping arm movements, undulating body motion, and dolphin kick timing challenging. At times, even advanced swimmers have difficulty putting it all together. Relax, though—that's why I wrote this guide.

The best part? Dividing the process into small, manageable steps makes it far more achievable than expected. When you master it, the sense of accomplishment is truly empowering.

Whether you're starting off or improving your skills, the following article has everything you need.

I will simplify the steps and help you focus on the basics, one step at a time.

By the end, you will be prepared to dive in confidently.

Ready to make the impossible possible? Let's dive in.
GETTING STARTED

Understanding the Basics of Butterfly Stroke

What Makes Butterfly Unique?

There is no other stroke like the butterfly. Although front crawl, backstroke, and breaststroke all present unique difficulties, the butterfly swim is truly impressive with its rhythm, grace, and powerful strokes. Its symmetrical movements and unique flow make it one of the most captivating yet challenging strokes to learn. But that makes learning it so rewarding.
Symmetrical Motion: Perfect Balance
Symmetry is one of the things that makes the butterfly stroke so unique. Compared to freestyle or backstroke, which involve independent arm and leg movements, butterfly depends on coordinated arm movements and synchronized leg dolphin kicks.

Imagine your arms and legs are like synchronized gears in a perfectly tuned engine. While your legs provide a consistent, wavelike kick, your arms simultaneously move in a wide, sweeping motion from front to back.

By maintaining balance in the water, these symmetric movements allow you to continue moving forward with tremendous momentum.

To keep the flow going, each movement must complement the other; if you make even one mistake, you will experience drag.
Timing and Rhythm: Butterfly's Core
While symmetry provides stability, the rhythm can be compared to the beating heart of a butterfly. In contrast to other strokes, the butterfly relies on a flowing, undulating motion that connects the body, arms, and legs.

Timing is everything—your arms and legs must work together in a wavelike fashion to sustain momentum. Imagine your whole body moving in a wavelike motion: your chest rises, your hips drop, and your legs follow behind with a kick that drives you forward. A well-timed stroke gives the sensation of weightlessness as if you're gliding through the water.

Mastering the butterfly's rhythm is challenging but well worth the effort. Once you've found the perfect timing, your entire body will move as one, leading to a smoothly executed stroke that feels natural.
Breaking It Down

Step-by-Step Guide To the Butterfly Swimming Stroke

To master the butterfly stroke, you must understand how to synchronize your arms, legs, and body movements. Each element determines the stroke's power, timing, and execution. We'll discuss each stage in detail so you can start building a solid foundation.

Arms: Power and Precision

Butterfly arm strokes are divided into three phases: sweep, arm pull, and recovery.

The Sweep: We will begin sweeping with your palms facing outward and arms extended straight in front of you. Sweep your hands outward and slightly downward to create a "Y" shape.

The Pull: Bend your elbows, drawing your hands back toward your body in a circular motion beneath your chest. This is the phase where most of your propulsion is generated. Keep your elbows high to maintain efficiency and avoid dragging your arms forward underwater.

The Recovery: When your hands reach your hips, take them out of the water and swing them forward in a relaxed, wide arc before re-entering the water in front of you.

Pro Tip: Always keep your elbows high when you're pulling. This will reduce energy waste while maximizing your arms' power output, resulting in less drag and a stronger arm stroke.

Legs: Dolphin Kick Mechanics

The dolphin kick is the engine that drives the butterfly stroke, pushing you forward in a smooth, wavelike motion. Unlike the flutter kick used in front crawl, the dolphin kick requires both legs to move simultaneously.

How It Works: Engage your hips to begin the kick. When your legs execute the kick, maintain a smooth, flowing motion with the toes pointed and the knees slightly bent. The motion traveling from your hips to your toes generates a whip-like effect.
swim coach dan demonstrating butterfly technique for kicking
Pro Tip: Don't initiate the kick with your knees; start from your hips. This increases power while keeping your movements smooth. Kicking from the knees is a common mistake beginners make, throwing off the rhythm.

Dive deeper into this technique with my article on "How to Dolphin Kick". It offers helpful tips and drills to help you become proficient in butterfly kicking.

Body: The Undulating Wave-Like Motion

Rhythm is key in butterfly swimming. The body's wavelike movements connect the arms and legs, and rhythm ultimately drives the body forward.

How It Works: As your arms enter the water, your chest slightly presses down to initiate the movement. A generated wave travels through your hips and legs, driving the dolphin kick. Your chest and hips move upward, lifting your arms out of the water for recovery.
coach dan is showing how to push the body forward with undulating motion

Breathing: Proper Timing and Technique

Breathing in a butterfly stroke cycle requires accuracy and timing to prevent breaking the stroke's rhythm.

How It Works: To breathe during the pulling phase, lift your head while your arms are sweeping under your chest. While your arms are recovering, keep your chin close to the water's surface and take a quick breath before putting your face back into the water.

Pro Tip: Lifting your head too high causes your hips to drop, ruining your momentum. A quick breath will keep your stroke smooth.
Finding Your Flow

Overcoming Common Challenges in Butterfly Stroke

Improving your butterfly swimming technique requires time and effort, but with the right approach, you will notice progress with each session. Start by working on one skill at a time, such as improving your arm sweep, building your dolphin kick, or figuring out your rhythm.

Struggling with Timing?

As you learn the butterfly stroke, you may discover that conquering the timing can be one of the most challenging skills to perfect. You're not alone—even the most experienced swimmers struggle with timing.
The legendary butterfly swimmer Michael Phelps didn't have innate supernatural abilities.

Like all swimmers, he continued to improve his stroke mechanics through consistent practice and drills. Although he was talented, his success came from breaking down the stroke and perfecting each part.
The good news? Your butterfly timing will improve without Olympic-level coaching or talent.

With the correct drills, equipment, and mentality, you will develop the coordination required to make your stroke feel effortless and natural.
  • One Arm Butterfly Drill For Timing

    This exercise is designed to coordinate the movement of your arm with your kick while isolating your body's undulating motion.

    How to Do It: Swim the butterfly with only one arm, keeping the other arm by your side. Pay close attention to how your body moves in a wave-like fashion while synchronizing your kicks with the pull and recovery of your arms. Change arms every 25 meters or as necessary.

    Pro Tip: Focus specifically on the rhythm of your kicks. The first dolphin kick brings your arm down during the pull phase, and the second kick lifts your upper body during recovery.
  • Incorporate Fins to Practice Timing

    Fins can boost your dolphin kick, making it easier to sense the rhythm of the stroke.

    How to Do It: Put on fins and swim butterfly at a slow, controlled speed. Use the extra speed and push from a stronger kick to emphasize the timing between your arm motions, body undulation, and kicks.

    Pro Tip: To maintain the natural and effortless momentum, focus on starting the movement from your hips rather than your knees.
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Dealing With Fatigue

Fatigue is one of the most prevalent obstacles for swimmers when learning or perfecting butterfly strokes. Even for highly skilled swimmers, the butterfly stroke is physically demanding due to the high energy output required from practically every muscle in the body.

Dana Volmer, an Olympic Champion who has raced in challenging butterfly events, has often discussed the importance of saving energy and pacing yourself during butterfly races. Strategic energy utilization, effective breathing, and good technique are the keys to managing fatigue.
  • Conserve Energy Using Smart Techniques

    Efficiency is the name of the game when it comes to butterfly swimming. Streamlining between your strokes is a simple yet effective energy-saving strategy.

    How to Do It: When your arms return to the water after recovery phase, let your body glide before initiating the next pull. This little break decreases drag, allowing you to keep your momentum without exerting too much effort.

    Consider your glide pause an opportunity to prepare for the next big pull. Keep your body in a streamlined position to minimize resistance.
  • Pace Yourself

    Pacing is another crucial element to consider. Although sprinting through the first few laps might feel great, it's also an easy way to get tired. Instead, try to keep a steady but manageable pace.

    Pro Tip: Experienced swimmers often use the negative split method, swimming faster in the second half than the first. This method conserves energy early on and prevents fatigue from ruining your performance.
  • Controlled Breathing for Sustainable Power

    One of the most critical aspects of managing fatigue when swimming is getting enough air. The correct technique guarantees that your muscles receive the necessary oxygen to function effectively. To keep a steady pace and maximize oxygen intake, elite swimmers frequently incorporate a specific breathing rhythm, such as inhaling every two strokes.

    How to Do It: As you breathe, hold your chin close to the water's surface, your body gliding smoothly, and raise your head just enough to clear the water. Breathing quickly and efficiently is essential; holding your breath for a prolonged period or lifting your head too high throws off the rhythm and wastes energy.

    Pro Tip: Practice breathing drills, such as breathing every three strokes or bilateral breathing, to enhance your rhythm control and lung capacity. This will gradually make your breathing less energy-consuming and more intuitive.
  • Build Endurance, Build Confidence

    Overcoming fatigue in butterfly swimming requires much more than technical skills; it's also a mental challenge. Swimming lap after lap builds mental resilience and physical stamina.

    Remember that the butterfly's intensity tested some of the most successful swimmers, such as Michael Phelps. Like you, they developed resilience through consistent practice.

    Though it may feel like a limitation, fatigue is necessary in the learning process. With perseverance, innovative strategies, and continuous work, you'll move faster and feel stronger. Keep going; each lap brings you one step closer to mastering the butterfly!
Perfecting Your Stroke

Advanced Tips for Intermediate Swimmers

Speed and Power Development

Developing speed and power in the butterfly stroke is crucial for experienced swimmers who want to advance their skills. Although it's one of the most challenging strokes, the butterfly's tremendous intensity and precision make it incredibly rewarding.

Caeleb Dressel, an Olympian famous for his superior performance in short-distance butterfly events, exemplifies the importance of improving pure power and speed to achieve success. Dressel's training primarily focuses on explosive power and anaerobic fitness, which you can apply to your training.

Fine-Tuning Your Stroke

Attention to detail is essential for reaching your maximum potential in butterfly swimming. Small adjustments to your body position, arm recovery, or kick timing can make a difference in speed and efficiency. Olympic swimmers spend endless hours perfecting their technique; those extra few seconds are often all it takes to win or lose.
You made it

It's Your Time to Dive In and Conquer Butterfly Stroke

Every little improvement—from perfecting your arm motion and breathing technique to mastering the rhythm of the dolphin kick—is progress worth embracing. Even though it will require some practice, anyone can learn to swim butterfly and have fun doing it.

Remember that success takes time. Embrace the journey, keep your eye on the prize—consistent improvement—and allow yourself to learn at the pace that works for you. Whether you're a beginner or an expert, every swim takes you one step closer to perfecting the butterfly stroke.

Keep Moving Forward

  • Practice, Patience, and Persistence:

    These are the key components of butterfly swimming success. With dedication, what once seemed unachievable will become second nature to you.
  • Stay Inspired and Motivated

    Many swimmers have stood where you are now and questioned if they would ever master butterfly technique. Their success shows that hard work pays off over time and will pay off for you, too.

Your Next Steps

Discover more resources to help you along the way:

  • See how techniques work by watching video tutorials.
  • Consider professional swim classes for tailored advice and accelerated development.
  • Sign up for a swimming group, either online or at a nearby pool, and connect with people who share your interests, get advice, and stay motivated. Being part of a welcoming community makes swimming an even more enjoyable and fulfilling experience.

The butterfly stroke is more than just a technique; it is an example of your dedication and will to succeed. Every stroke that you take is a victory, a reminder of the progress that you have made and the potential that you have.

Now is the moment to dive in with confidence and conquer the butterfly stroke one lap at a time.

I believe in you!
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