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Mastering Breathing Techniques for Freestyle Swimming in Pool and Open Water

  • Writer: Richard Punzenberger
    Richard Punzenberger
  • Jan 12
  • 4 min read

Breathing is one of the most critical skills in freestyle swimming. Many swimmers struggle with timing and technique, which can affect their speed, endurance, and overall comfort in the water. Whether you swim in a pool or open water, mastering breathing techniques can improve your performance and enjoyment. This post explores effective breathing methods, the benefits of proper breathing, differences between pool and open water environments, what research reveals, practical drills to learn breathing, and how to apply these techniques effectively.



Eye-level view of a swimmer exhaling underwater during freestyle stroke in a clear swimming pool
Swimmer exhaling underwater during freestyle stroke


Why Breathing Matters in Freestyle Swimming


Breathing in freestyle is more than just taking air; it affects your rhythm, body position, and oxygen supply. Poor breathing can cause fatigue, disrupt stroke mechanics, and increase drag. Efficient breathing helps maintain a steady pace, reduces tension, and supports longer swim sessions.


Key benefits of mastering breathing include:


  • Improved oxygen intake to sustain energy levels

  • Better body alignment by reducing head lift

  • Enhanced stroke rhythm for smoother swimming

  • Reduced risk of side stitch or cramps


Understanding how to breathe correctly is essential for both beginners and experienced swimmers aiming to improve.


Breathing Techniques for Freestyle Swimming


There are several breathing techniques swimmers use, depending on their skill level and goals. The most common methods are:


1. Bilateral Breathing


This technique involves breathing alternately on both sides, usually every three strokes. It promotes balanced muscle development and helps swimmers stay aware of their surroundings, especially useful in open water.


  • Pros: Balanced stroke, better body symmetry, improved awareness

  • Cons: Can be challenging for beginners, requires practice to maintain rhythm


2. Unilateral Breathing


Breathing on one side only, typically every two strokes. This method is often faster and easier for beginners but may cause muscle imbalances or neck strain if overused.


  • Pros: Easier to learn, faster breathing rhythm

  • Cons: Can lead to asymmetry, less awareness of surroundings


3. Side Breathing with Head Rotation


Turning the head just enough to breathe without lifting it out of the water keeps the body streamlined. Exhaling underwater before turning to inhale reduces breath-holding time.


  • Pros: Maintains body position, reduces drag

  • Cons: Requires coordination and timing


4. Forward Breathing (Less Common)


Some swimmers breathe forward by lifting the head. This is generally discouraged as it disrupts body alignment and increases drag.


  • Pros: May feel natural for some beginners

  • Cons: Slows swimming, causes fatigue


Differences Between Pool and Open Water Breathing


Swimming in a pool and open water presents different challenges for breathing.


Pool Swimming


  • Controlled environment with clear water and lane lines

  • Swimmers can time breaths easily with wall turns and consistent strokes

  • Less concern about waves or currents affecting breathing


Open Water Swimming


  • Variable conditions like waves, wind, and currents

  • Need to sight landmarks or buoys while breathing

  • Timing breaths to avoid inhaling water during waves is crucial

  • Often requires more frequent breathing due to increased effort


Open water swimmers often use bilateral breathing to maintain awareness and adjust to conditions. They also practice breathing patterns that allow quick inhalation during brief moments when the head is clear of waves.


What Research Says About Breathing in Freestyle


Studies on swimming biomechanics and physiology highlight the importance of breathing technique:


  • Research shows that exhaling underwater before turning the head to breathe reduces breath-holding time and improves oxygen uptake.

  • Studies indicate that bilateral breathing promotes better stroke symmetry and reduces injury risk.

  • Controlled breathing patterns help maintain heart rate and oxygen saturation, supporting endurance.

  • Poor breathing technique correlates with increased energy expenditure and early fatigue.


These findings emphasize practicing efficient breathing to enhance performance and reduce injury.


Drills to Improve Breathing Technique


Practicing specific drills can help swimmers develop better breathing habits.


1. Side Kicking Drill


  • Kick on one side with one arm extended and the other by your side

  • Focus on turning your head to breathe without lifting it

  • Helps develop side breathing and body rotation


2. 3-3-3 Drill


  • Swim three strokes breathing on the right, three strokes breathing on the left, then three strokes breathing every two strokes

  • Builds bilateral breathing skills and rhythm


3. Bubble Blowing Drill


  • Practice exhaling bubbles underwater continuously

  • Helps reduce breath-holding and relax breathing muscles


4. Catch-Up Drill


  • One arm stays extended while the other completes a stroke

  • Focus on timing your breath with the stroke and body rotation


5. Sighting Drill (for open water)


  • Swim freestyle while lifting your head briefly to sight a target

  • Practice quick breaths and returning head to neutral position


Pros and Cons of Different Breathing Techniques


| Technique | Pros | Cons |

|---------------------|-----------------------------------------|-------------------------------------|

| Bilateral Breathing | Balanced stroke, better awareness | Requires practice, can disrupt rhythm|

| Unilateral Breathing | Easier, faster rhythm | Can cause asymmetry, neck strain |

| Side Breathing | Maintains alignment, reduces drag | Needs coordination |

| Forward Breathing | Natural for some beginners | Increases drag, causes fatigue |


Choosing the right technique depends on your swimming goals, environment, and comfort.


How to Implement Breathing Techniques in Your Swim Routine


To improve your breathing, follow these steps:


  1. Start slow: Practice drills in a controlled environment like a pool.

  2. Focus on exhaling underwater: This reduces breath-holding and makes inhaling easier.

  3. Use bilateral breathing: Try alternating sides every three strokes to build balance.

  4. Incorporate drills regularly: Spend 10-15 minutes per session on breathing drills.

  5. Practice sighting for open water: Simulate conditions by lifting your head briefly.

  6. Record yourself or get feedback: Video analysis or coach input helps identify issues.

  7. Be patient: Breathing technique takes time to master, especially when switching from unilateral to bilateral.


Real progress starts with the right plan—and the right support.

With Punzy Fitness, you’ll get weekly coaching, personalized movement assessments, and clear next steps tailored to your goals.

👉 Apply for online coaching and start moving better, feeling stronger, and living healthier.


Disclaimer:

The information shared in this article is for educational purposes only and is not a substitute for professional medical advice. Always consult with your healthcare team before beginning a new exercise program, using supplements, or making dietary changes, especially if you have existing health conditions.


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