Episódios
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What does it take to build a high performance culture inside elite European football?
In this episode, Martin sits down with Christian Clarup to discuss his journey from academy football in Denmark to leadership roles at FC Midtjylland, Sparta Prague, the Danish National Team, and the Bundesliga.
Christian shares lessons learned from working across different countries, cultures, and football environments, including title winning campaigns, Champions League football, and the realities of operating inside some of Europe's most demanding clubs.
The conversation explores how speed, power, and intensity shape his performance philosophy, why efficient training matters more than longer sessions, and how strength training, monitoring, and athlete buy in can support performance without creating unnecessary fatigue.
They also discuss leadership, staff stability, building performance departments, managing change within clubs, and the personal realities of working in elite football while balancing family life and long term career development.
Whether you're a performance practitioner, coach, sports scientist, or simply interested in what happens behind the scenes at the highest levels of football, this episode offers a candid look at the challenges and opportunities of building successful performance environments.
Today’s speakers:
Dr Martin Buchheit https://martin-buchheit.net/
Christian Clarup https://www.linkedin.com/in/christian-clarup-5891a685/
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What should endurance athletes actually eat before training? Does fasted training improve adaptation? And why do some athletes thrive on high carbohydrate intake while others perform better with less?
In this episode, Dr Jeff Rothschild joins the podcast to unpack the complexity behind endurance nutrition, recovery, and training adaptation. Drawing from his work as a sports dietitian, researcher, and performance analyst, Jeff shares insights from years of research exploring carbohydrate practices, fasted training, substrate utilization, and individual variability in athlete response.
The conversation explores why high intensity sessions may not require fasted training to stimulate adaptation, how recovery responses differ dramatically between athletes, and why generalized nutrition guidelines often fail to capture individual needs.
Jeff also discusses the growing role of data science, machine learning, and longitudinal athlete monitoring in understanding recovery and fueling strategies, along with the practical realities of applying nutrition science in elite sport.
This episode offers a balanced and highly practical discussion on endurance nutrition, helping athletes and coaches better understand how to fuel training without getting lost in dogma or extremes.
Today’s speakers:Prof Paul Laursen https://www.paullaursen.com/
Dr Jeff Rothschild https://www.linkedin.com/in/jeff-rothschild-phd-016170146/https://www.eatsleep.fit/
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🥑 RETHINKING NUTRITION in ENDURANCE PERFORMANCE 💥🧠
Tim Noakes & Phil Maffetone aren’t afraid to challenge the status quo — especially when it comes to CARBS, FAT, and FUELING the brain 🧬
In this thought-provoking episode of The Training Science Podcast, Paul, Tim & Phil dig into what REALLY fuels performance:
🔥 How FAT OXIDATION supports endurance when carbs run low
🧠 Why the BRAIN—not the body—often decides your limits
📉 The trouble with INSULIN and sugar addiction in modern diets—
#TrainingSciencePodcast #HIITScience #TimNoakes #PhilMaffetone #SportsNutrition #LowCarbHighFat #FatAdaptation #EndurancePerformance #GlucosePools #CarbohydrateDebate #FuelingTheBrain #InsulinResistance #SugarAddiction #MetabolicHealth #AthletePerformance #BrainPower #NutritionRevolution #ChallengingBeliefs #PerformanceFueling #EnergySystems
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Today’s speakers:
Prof. Paul Laursen https://www.paullaursen.com/
Dr. Phil Maffetone https://philmaffetone.com/
Prof. Tim Noakes https://x.com/LoreofRunning1
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What if endurance performance is not so much about VO2max, lactate threshold, or running economy… but more about the muscular system itself?
In this episode, Dr Marius Bakken shares the thinking behind his latest book The Norwegian Method Applied and the decades of experimentation that shaped his approach to endurance training. From double threshold training and lactate controlled intensity to muscle tone, elasticity, and stiffness, this conversation explores performance through a very different lens.
The discussion unpacks why sub-threshold training became foundational within the Norwegian system, how muscular state may influence performance and fatigue more than most athletes realize, and why recovery is often misunderstood in modern endurance training.
Marius also reflects on his experiences training in Kenya, his observations of elite African runners, and how balancing training load may matter more than any other factor.
This episode challenges conventional thinking around endurance performance and opens up a broader discussion about what truly limits adaptation, recovery, and race day performance.
Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Dr Marius Bakken https://www.mariusbakken.com/The Norwegian Method Applied Book: http://geni.us/norwegianmethod
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What really happens to your neuromuscular system after different types of HIIT — and how do we know?
This episode does something we've been building toward for years: puts real data behind the HIIT Science taxonomy. Using low-frequency fatigue measurements from Myocene technology, Martin Buchheit tested the taxonomy on himself — mapping how different interval types load and recover the neuromuscular system in ways we previously could only infer.
The conversation covers why some sessions crush your legs for 48 hours while others don't, why neuromuscular RPE tracks fatigue better than most coaches expect, and why the distinction between load and response still gets muddled in practice.
The episode closes with a second topic: how change of direction changes everything in HIIT prescription — and why acceleration and deceleration capacity need to drive individualization in team sport training.
In this episode:
Why HIIT has always been about more than metabolic zonesLow-frequency fatigue as an objective window into neuromuscular recoveryConcentric vs. eccentric load — why cycling and running recover so differentlyNeuromuscular RPE: cheap, practical, and surprisingly validRethinking COD-based interval prescription for team sport athletes
Martin Buchheit's New CourseFor those interested in going deeper, Martin’s updated course on Load and Response Monitoring in Elite Football is now available inside the HIIT Science course library.
It builds on the same ideas discussed here, focusing on how to better connect training load with athlete response using practical frameworks and real world examples
Early access is currently available for a limited time. You can subscribe to the HIIT Science email list to receive details and access to the discount
https://hiit-science.thinkific.com/courses/monitoring-load-and-response?ck_subscriber_id=4050821192&utm_source=convertkit&utm_medium=email&utm_campaign=Its%20finally%20here:%20Martin%20Buchheits%20New%20Course%20%F0%9F%8E%89%20-%2021641648
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Are asymmetries something we should actually be fixing… or just better understanding? Dr Chris Bishop is an Associate Professor of Strength and Conditioning and one of the leading researchers in interlimb asymmetry, bringing years of work across performance, rehab, and applied sport science.
In this conversation, Chris breaks down one of the most misunderstood topics in sports performance. From how asymmetries are calculated to whether they even matter, this episode challenges common practices in screening, rehab, and training decisions. He explores why asymmetry data is often noisy, how context changes everything, and why chasing symmetry alone may not lead to better performance or reduced injury risk.Today’s speakers:
Dr Martin Buchheit: https://martin-buchheit.net/
Dr Chris Bishop: https://www.linkedin.com/in/chris-bishop-a2462b35/
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What if you could bring lab level physiology into every training session?
Arnar Larusson is the founder of Tymewear and is working to make breathing data accessible outside the lab, giving athletes real time insight into how their body is actually responding to training.
Coming from a background in mechanical engineering and prosthetics, Arnar saw the gap between what we can measure in controlled environments and what athletes can access in the real world.
This conversation explores how ventilation and breathing patterns reveal intensity, efficiency, and stress in ways that heart rate and power alone cannot.
From identifying ventilatory thresholds to understanding fatigue and durability, this episode looks at how breathing data could reshape how we train and measure performance.
Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Arnar Larusson https://www.linkedin.com/in/arnar-larusson-58872a2b/Tymewear: www.tymewear.com
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What does it take to build a career across the highest levels of sport and keep evolving along the way?
Jon Bartlett has worked across football AFL the NBA and Olympic cycling building a career shaped by curiosity adaptability and a constant drive to learn.
Rather than staying in one system Jon chose to explore different sports and environments to understand how high performance actually works in practice
From hands on roles with athletes to leading global development systems and now working in performance technology his journey shows how transferable thinking leadership and problem solving can be across completely different contexts.This episode dives into what he learned at each stage how his role evolved over time and why stepping outside your comfort zone is often the biggest catalyst for growth.
Today’s speakers:
Dr Martin Buchheit: https://martin-buchheit.net/Jon Bartlett: https://www.linkedin.com/in/jon-bartlett-8284503a/
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We all “love” 😍 STRENGTH & gym training 🏋🏻 to a certain degree - but that does not mean that you CANNOT develop SPEED & STRENGTH without it!
Dr Darren Burgess want you to understand that WHOLE sport CULTURES ⚽ 🏀 🏈 have been developed over decades without having very much strength or speed specific training AT ALL. Many footballers in Europe for example barely do any gym work. Obviously that does not mean it is useless, but it is important to understand that apparently you can get good at the sport WITHOUT it.
In the 72nd episode of The Training Science Podcast, Martin and Darren discuss how:
🏛️ various sports “cultures” can be a downside or upside if you are a multidisciplinary professional;
🏋️ player specific loads are important, but you need to remember ALL the other types of load a player (and staff too!) experience - it is a whole wellbeing model;
🕛 chronic load for adaption, rehab or simply helping players to improve needs to be balanced and maintained for certain durations, but without “peaks” and “valleys”.
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👉 REMEMBER:
🏆 The Football Performance Bundle™!🏆
✅ IN-DEPTH & SPECIFIC HIIT details & workouts for FOOTBALL
✅ ALL the secrets about the MYSTERIOUS ANAEROBIC zone, and how to use it in FOOTBALL
✅ Our CLASSIC & BEST-SELLING HIIT SCIENCE course that contains ALL the information you will ever need for ANYTHING high-intensity
🚀 GO TO OUR BIO NOW
OR
https://hiit-science.thinkific.com/bundles/football-performance-bundle 🚀_____________________
Today’s speakers:
Dr Martin Buchheit https://martin-buchheit.net/
Dr Darren Burgess https://au.linkedin.com/in/darren-burgess-a1580628
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What if you could predict your race before you even start?
In this episode, Ryan Cooper shares the story behind one of endurance sport’s most influential tools, Best Bike Split. With a background in electrical engineering and aerospace, Ryan saw early on that the same physics used in aviation could be applied to cycling and triathlon performance.
We dive into how power meters and modeling unlocked a new way to race, why normalized power became a game changer for long course athletes, and how smart pacing can make or break your entire performance.
From early prototypes during the Tour de France to real world validation at world championship races, this episode is a behind the scenes look at how data, physics, and practical application came together to change the way athletes approach race day.
Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Ryan Cooper https://www.linkedin.com/in/ryan-f-cooper/ -
What if your biggest performance limiter isn’t your fitness, but your nervous system?
In this episode, Lawrence van Lingen shares a radically different lens on endurance performance, one that shifts the focus from traditional training metrics to fascia, breath, and vagal tone. Drawing from years of work with elite athletes like Andi Böcherer and Jan Frodeno, Lawrence explains how movement efficiency, recovery, and performance breakthroughs often come from restoring internal balance rather than pushing harder.
We explore why breathing mechanics and nervous system health are foundational to performance, how simple practices like walking and crawling-like movements can create massive changes, and why many athletes struggle not from lack of effort but from an inability to absorb training.
This conversation challenges conventional thinking and offers a new way to approach performance, recovery, and long term health.
Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Lawrence van Lingen https://www.lawrencevanlingen.com/
https://www.youtube.com/@LawrencevanLingen -
What actually drives performance in professional cycling, and how much of it is science versus experience?
In this episode, Dr David Bailey joins us to unpack over two decades of work across Olympic sport and WorldTour cycling. From talent identification and training philosophy to nutrition, heat, altitude, and the evolving role of data, David shares what really matters when building high performance athletes.
We dive into the concept of marginal gains and why most people misunderstand it, how teams prioritize what actually moves the needle, and why talent and training still outweigh everything else. The conversation also explores real world applications of AI, individualized nutrition strategies, and the complex mix of physiology, psychology, and race strategy that ultimately decides who wins.
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Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Dr David Bailey https://www.linkedin.com/in/david-bailey-77111640/ -
What can heart rate variability actually tell us about training, recovery, and long term health, and where do most people still get it wrong?
In this episode, Dr Greg Grosicki joins us to unpack the science and practical value of HRV, from what it really measures to why context matters so much when interpreting it. We explore how exercise intensity, sleep, alcohol, sickness, hydration, and metabolic health can all shape HRV, and why a single daily score often tells only part of the story.
We also dive into Greg’s new work on HRV CV, a promising way to understand the stability of recovery over time, and discuss how wearables at scale are changing the kinds of questions sports science can answer.
Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Dr Greg Grosicki https://www.linkedin.com/in/gregorygrosicki/Greg’s new paper: https://journals.physiology.org/doi/full/10.1152/ajpheart.00738.2025?rfr_dat=cr_pub++0pubmed&url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org
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What actually changes as we age as athletes, and how should training evolve if we want to keep performing while protecting long term health?
In this episode, Professor Peter Reaburn joins us to explore the science and real world practice of training as a masters athlete. Drawing on decades of research and personal experience as an endurance athlete, Peter explains why resistance training becomes essential with age, how recovery changes, and why training the same way you did in your twenties no longer works.
We discuss muscle loss, polarized training, protein intake, and the importance of balancing performance with longevity. The conversation also dives into heart health considerations for aging endurance athletes and why listening to your body may be the most important skill masters athletes can develop.
Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Prof Peter Reaburn https://www.linkedin.com/in/peter-reaburn-8a498b12/ -
TOP EPISODE REPLAY
Profiling and training SPEED🏎️ individually might be 30% (!!!) of any SPRINTING performance - get ON IT!
Prof. Dr. JB Morin would like you to consider that if you do not cover, train or assess the WHOLE SPECTRUM of what your athletes can or cannot do, then you are likely leaving BIG 💥💨 gains on the table. Does 30% matter to you?
In the 115th episode of The Training Science Podcast, Martin and JB discuss:
📖 the Force-Velocity relationship in SPRINTING;
✅ training SPECIFIC for individual SPEED profiles;
❤️ SPRINT specific resistance training.
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Today’s speakers:
Dr Martin Buchheit https://martin-buchheit.net/
Prof. Dr. JB Morin
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Does high intensity training really build the strongest heart, or is it time in Zone 1 and Zone 2 that truly drives cardiac adaptation?
In this episode, Dr Guido Claessen joins us to unpack a landmark longitudinal MRI study on endurance athletes that challenges common assumptions about HIIT and heart remodeling. They explore what actually builds the “athletic heart,” why low intensity volume matters more than most think, and what this means for polarized training.
They also tackle the harder questions lifelong athletes worry about including atrial fibrillation, coronary plaque, myocarditis, and how much endurance sport might be too much.
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Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Dr Guido Claessen https://www.linkedin.com/in/guido-claessen-936a18a9/
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We sit down with Prof Guillaume Millet to get clear on what fatigue actually is, why durability became the new buzzword, and what really limits performance in ultra endurance events. We dig into central vs peripheral fatigue, why muscle damage matters so much in trail and mountain running, and how shock weekends can build the resilience you cannot fake on race day. We also talk heat, perceived exertion, field monitoring tools, and his new Zero to 100 project taking sedentary adults to a 100k mountain race in 18 months.
References:
https://pubmed.ncbi.nlm.nih.gov/22323647/
https://pubmed.ncbi.nlm.nih.gov/39405022/
https://journals.physiology.org/doi/full/10.1152/japplphysiol.00692.2025?rfr_dat=cr_pub++0pubmed&url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org
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Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Prof Guillaume Millet https://www.linkedin.com/in/kinesiologui/
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Episode 200 marks a major milestone for us, and we celebrate it with someone who played a foundational role in our journey. Professor Ken Nosaka joins us to reflect on how eccentric training research shaped modern training practice and brought our paths together.
We revisit the early ECU years, then dive deep into what Ken’s research has taught us about muscle soreness, muscle damage, the repeated bout effect, and how adaptation really works. This episode blends history, science, and real world coaching insights that still shape how we train today. -
In this episode, we sit down with Dr Andrew Koutnik to unpack one of the most discussed sports science reviews in recent years. Drawing on more than 100 years of research and a series of tightly controlled trials, we examine evidence that challenges the long-held belief that more carbohydrates automatically lead to better performance.
We explore why muscle glycogen and carbohydrate oxidation do not consistently predict performance, how athletes can sustain high-intensity and endurance output with much lower carbohydrate intake, and why protecting brain energy may be a key limiter during exercise.
The conversation also examines why some highly trained athletes still show markers of poor metabolic health, what this means for current fueling guidelines, and why context matters when translating science into real-world practice.
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References:
https://academic.oup.com/edrv/advance-article/doi/10.1210/endrev/bnaf038/8432248?login=false_____________________
Today’s speakers:
Prof Paul Laursen https://www.paullaursen.com/
Dr Andrew Koutnik https://www.instagram.com/andrewkoutnikphd/
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In this episode, we sit down with François Fourhet to trace a career that has moved from hands on clinical practice to global performance environments, research leadership, and now consulting and teaching.
François shares the three major chapters of his journey: early years as a sports physio in Reims, nearly a decade in Doha within Aspire and Aspetar, then his Swiss chapter at Hôpital de la Tour where he helped build a research driven physiotherapy department and later led it. Along the way, they unpack what it really takes to make interdisciplinary performance support work, how François shifted into research without losing the practical thread, and why dissemination matters as much as publishing.
The conversation also gets tactical: ankle return to play, why isokinetic testing is misunderstood, how curve based analysis changes decision making, and the story behind Ankle Go, the free tool designed to help clinicians make smarter calls after ankle injury. If you work in rehab, performance, or team leadership, this episode is packed with ideas you can use immediately.
Today’s speakers:
Dr Martin Buchheit https://martin-buchheit.net/
François Fourhet https://www.linkedin.com/in/fran%C3%A7ois-fourchet-43b7b868/
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