William Trubridge is one of the most celebrated freedivers of all time, achieving multiple world records, winning multiple world championships and diving 102m in CNF (No Fins).

In this episode we discuss:

William appeared first on Episode #69 of The Freedive Cafe Podcast and then again on Episode #98.
Inkfish organisation and research conducted into freediving physiology.
Deepest arterial blood samples every taken at 80m depth.
Hyperventilation is good now! Are we all hyperventilating unknowingly before dives?
Shout out to Dave Mullins.
Shout out to Tom of Get Ecstatic in Singapore for sharing...
An Unusual Pool Freediving Accident - Temporary Paralysis of All Limbs and Breathing Muscles.
How has William’s recent competition performance been?
Does he plan to retake his long-standing CNF world record from Petar Klovar?
Deep Water podcast recommendation by Lydia Gard.
The 2023 Vertical Blue doping controversy in freediving involving Petar Klovar, Vitomir Maricic and Sanda Delija.
Donny’s own part in the controversy with regard to his initial insulting comments made towards the Croatians which he followed up with an apology video, and William’s belief that he flip-flopped on the issue and muddied the waters.
William’s opinions on the Enhanced Games, the multi-sport event where the athletes are allowed to use performance enhancing drugs.
How do we move forward in the sport of freediving to improve doping control to the satisfaction of all the athletes?
FAIR - Freediving Athlete Integrity Regulation and Multi-modal Deception Detection.
His thoughts on a recent viral video of Petar Klovar blacking out and a bad squeeze (lung barotrauma).
About The Mental Immune System.
What is the deeper dimension of freediving?

For all episodes of The Freedive Cafe Podcast, information about freediving courses, coaching, workshops and retreats in Dahab, Egypt, visit www.truedepthfreediving.com

To support on Patreon: www.patreon.com/freedivecafe

Jack Webb is an up and coming deep freediver from Far North Queensland in Australia. He recently dived 113m in competition in Dominica.

In this episode we discuss:

Jack just wrapped up a retreat up in Far North Queensland.
Jack has been spearfishing since he was a kid.
Jack’s school Freediving Far North Queensland is doing its depth sessions in two 65m deep lakes, Lake Eachem and Lake Barrine.
About the crocodile in the lake.
Jack and Donny met in Dahab in 2022 when there were both diving in the 70m range.
How Jack got stopped by a squeeze and other health issues and how he overcame them.
Shout out to Julia Mouse in at Apnea Bali.
Pepsin, silent reflux, Costochondritis.
Shout out to Jack’s coach Dean Chaouche who appeared on episode #95 of the podcast.
Journey to the nineties and his first national records.
Shout out to Federico Mana who appeared on episode #84 of the podcast.
Shout out to Matt Yang from China.
How was the first 100m dive?
Jack’s transformational trip to Dominica where he dived 113m.
How does his training routine work?
How he structures his deep dive routine and his deep dive sessions.
Has he had any trouble with hypoxia so far?
What does he do for his mental game?
Jack’s nutrition and supplement strategy.
DESERT ISLAND QUESTIONS - Patreon Exclusive Content
Why does Jack freedive?

For all episodes of The Freedive Cafe Podcast, information about freediving courses, coaching, workshops and retreats in Dahab, Egypt, visit www.truedepthfreediving.com

To support on Patreon: www.patreon.com/freedivecafe

Martin McPhilimey is a respiratory and sleep scientist by background and the founder of The School of Breath Science.

In this episode we discuss:

Martin joined me from Western Australia where he is based.He is originally from Coventry in England.
Martin is a respiratory and sleep scientist by background and the founder of The School of Breath Science.
Breath Science Certification
Breathing, Nervous system, Sleep, Breath-work, Psychology and Human behaviour.
Research on max sprints and lactate clearing capacity of the diaphragm.
Diaphragm is type 1 muscle fibre. Type 1 muscle fibres uses a lot of lactate as a fuel source.
Adaptations that the diaphragm creates from inspiratory muscle training improves it’s ability to use lactate as a fuel.
About CO2 tolerance and air hunger/urge to breath.
Breathing rate is driven by emotion
What are chemoreceptors?
Martin has an eight litre lung capacity and held his breath for 3:30 on his first attempt.
What can someone do if their nervous system is stressed?
What benefits do hyperventilation style practices have for general health?
On intermittent hypoxic training and high altitude training.
How to improve sport performance with a sleep protocol.
What breathing techniques calm us down before big performances?
The magic of the controlled exhalation.
Yogic breathwork/pranayama.
How to address traumatic experiences that happen during freediving.Trauma may be more likely to impact on a person who is more hypercapnic.
HRV measurements and their real-life use.
Interoception and those who struggle with it.
Desert Island Questions - PATREON EXCLUSIVE CONTENT

For all episodes of The Freedive Cafe Podcast, information about freediving courses, coaching, workshops and retreats in Dahab, Egypt, visit www.truedepthfreediving.com

To support on Patreon: www.patreon.com/freedivecafe