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The Rule of Thirds in Freediving Training

  • Writer: Anthony Feoutis
    Anthony Feoutis
  • Apr 26
  • 3 min read

Updated: May 13

Hello, underwater lovers!


What you’re about to read is a doorway—a glimpse into the ocean of thoughts, lessons, and wild experiences that make up The Depth Collector series.


The Depth Collector Book Series – Two hardcover books with intricate gold detailing, featuring a nautical compass design. Book I has a deep blue cover, while Book II has a teal cover with an octopus tentacle intertwined in the compass. Both books are set against a golden maritime-themed background, symbolizing exploration and the depths of freediving.
The Depth Collector Series – Now Available in Print! 

This isn’t a polished pitch or a neatly packaged summary. It’s straight from the pages of The Depth Collector Book Two, raw and real—just like freediving. Here’s a glimpse into pages 279 to 280.


So, grab your noseclip, take a deep breath, and let’s dive into The Rule of Thirds in Training for Freediving



The Depth Collector Book Two

Page 279 to 280


Freediving training chart shows three octopuses in blue sections symbolizing confidence, foundation, and resilience days. Orange tentacles border.
The Rule of Thirds in Freediving Training

The Rule of Thirds in Freediving Training


Training for freediving has its ups and downs—that's a fact. There are times of euphoria, times that are just okay, and times that are tough. Enter the 'rule of thirds,' a principle introduced by Ian Dobson, an Olympian and coach, that can guide you through the highs and lows of your training journey.


This rule of thirds states:

  • You'll feel on top of the world a third of the time

  • You'll feel just okay or neutral a third of the time

  • You'll face challenges or feel down a third of the time



Cute cartoon orange octopus in a blue hoodie, smiling with open arms. The image conveys a cheerful and playful mood.

⅓ On top of the world 

These are the days when everything clicks. Your breath-hold feels effortless, your descent is smooth, and the underwater world welcomes you with open arms. These days build your confidence and reinforce your love for the sport.


Cute octopus wearing a blue hoodie stands against a plain background, looking slightly sad with rosy cheeks. Soft, pastel tones.

⅓ Feeling just okay 

On these days, your dives might feel routine. You neither break personal records nor face significant challenges. These are the days of consistency, where you solidify your techniques and build a foundation.


Cute pink octopus wearing a blue hoodie, sitting with a sad expression against a plain white background.

⅓ Feeling down 

These are challenging days. You might struggle with breath-holding, have trouble equalizing, feel awful, or be physically drained. These days, while challenging, are crucial. They build your resilience, patience, and courage. They teach you to adapt.


Use This Rule to Find Balance


Antique scales balance a diving mask and an octopus, set on a wooden desk with nautical maps. Warm tones create a vintage, whimsical mood.
Finding the Balance

If you're always in the 'low' phase, you might be pushing too hard or not resting enough. On the other hand, if you feel great every day, you may need more challenges. 


You should expect and accept the full spectrum of experiences in your training. Maintain a balanced mindset throughout. Remember, when you face challenging times, don't be too hard on yourself; they are both normal and essential. They're an integral part of the journey. Just as the ocean isn't always calm, beautiful, and crystal clear—sometimes it's rough, cold, and murky—your training will have variations. 


Freediving isn't solely about depth; it's about the bond you form with the water and understanding yourself. The rule of thirds urges you to value every dive, no matter the outcome, as a significant step in your journey.


To be continued…

The Depth Collector mascot – a cute, cartoon-style octopus wearing a blue hoodie, smiling while holding an open book. The character has bright, expressive eyes and is surrounded by bubbles, giving it a fun and engaging underwater theme.

If what you’ve just read sparked your curiosity, know this—it’s just a ripple on the surface. The Depth Collector series plunges deep into this pillar, uncovering layers of insights, lessons, and practical tools to refine your freediving journey.


And it doesn’t stop here. The series explores all eight foundational pillars, packed with everything from mental hacks to sport nutrition, breathing techniques, training plans, and more.


Read more about the other pillars on the blog or grab your copy here.


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