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Coach → physiologist → athlete → author

Founder and Head Coach of Endurance Lab.
 
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Tiago Dias is a Portuguese endurance coach and sports physiologist based in Ireland and the founder and head coach of Endurance Lab.

 

He holds a degree in sports sciences and is certified and experienced across triathlon coaching, TrainingPeaks, Stryd, heat monitoring and endurance-performance systems.

 

As an experienced age-group endurance athlete himself, Tiago understands first-hand what it takes to balance training, racing, work, travel and family life.

 

He works with triathletes, runners and cyclists across levels — from developing athletes to ambitious long-course competitors — combining laboratory testing with practical coaching and real-world race execution.

Qualifications & certifications

  • Community & Results

A training environment that pulls you forward.

Group sessions, ride-outs, testing days and race trips — Endurance Lab athletes train alone less often and improve faster because of it.

Athletes Coached
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Training Camp
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“The Mallorca training camp was a game-changer for my triathlon season. The coaches were incredibly knowledgeable, and the structured training in such a beautiful location was exactly what I needed to take my performance to the next level.”

Placeholder Athlete

Marathon · Coached since 2023

“The Mallorca training camp was a game-changer for my triathlon season. The coaches were incredibly knowledgeable, and the structured training in such a beautiful location was exactly what I needed to take my performance to the next level.”

Placeholder Athlete

Marathon · Coached since 2023

Books & Publications

Tiago is also an author and educator. Titles, cover artwork, and summaries will be added here once confirmed.

THE SCIENCE OF TRIATHLON TRAINING : The Science-Backed System to Become the Best Version of Yourself

The Science-Backed System to Become the Best Version of Yourself

Triathlon is not just about training harder. It’s about training smarter.

The Science of Triathlon Training is a complete, research-driven performance system for athletes who want more than guesswork. Built on proven endurance science and real-world coaching experience, this book transforms complex physiology into a clear, practical blueprint for measurable improvement.

Whether you are preparing for your first race or pursuing peak performance, you will learn how to build aerobic power, increase durability, improve threshold speed, and structure your season with precision.

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