
That Triathlon Show
That Triathlon Show is the podcast for triathletes of all levels who want to train smarter and race faster. With over 600 episodes and millions of downloads since 2017, this show cuts through the noise and misinformation, delivering practical, no-nonsense advice rooted in both the art and science of training and performance.
The podcast features in-depth interviews with the world’s best coaches, top sports scientists, and elite athletes. Each episode dives into the nuances of training methodology, performance optimization, and race-day execution, providing insights you can apply right away. Whether you're preparing for a supersprint or an Ironman, or focusing on a single sport like swimming, cycling, or running, you'll find expert guidance and relevant content here.
The podcast is hosted by Mikael Eriksson, a former engineer now coaching professional and age-group athletes. Mikael is a Level III certified coach with over a decade of experience in coaching.
Join a global community of dedicated triathletes and take your performance to the next level. Learn more at www.scientifictriathlon.com/podcast.
Latest episodes

Mar 22, 2021 • 59min
Polarized versus Moderate intensity training: a controlled trial in triathletes with Dr. Golo Röhrken | EP#278
Golo Röhrken is a medical doctor, sports scientist, and triathlon coach. In this interview we discuss a study he conducted, which was the first ever randomised controlled trial comparing polarised training with other training intensity distributions specifically in the sport of triathlon. IN THIS EPISODE YOU'LL LEARN ABOUT: -The first ever randomised controlled trial of polarised training and moderate intensity training distributions in triathletes -How the two training programs were implemented and executed -Different ways of quantifying training intensity distributions, and problems or misunderstandings that these differences lead to -Golo's coaching advice and practical takehome messages from this study and beyond SHOWNOTES: https://scientifictriathlon.com/tts278/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: ZEN8 - The ZEN8 Indoor Swim Trainer is a tool for time-crunched triathletes looking to improve swim specific strength and technique. Trusted by BMC PRO Triathlon Team, age-group triathletes, coaches and physios around the world. Visit zen8swimtrainer.com/tts for 20% off your order. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. LINKS AND RESOURCES: Golo's website, Twitter, and Instagram Six Weeks of Polarized Versus Moderate Intensity Distribution: A Pilot Intervention Study - Röhrken et al. 2020 An up to date scientific analysis of polarised training vs. threshold training with Michael Rosenblat | EP#244 Polarised training with Stephen Seiler, PhD | EP#177 RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/ CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Mar 18, 2021 • 55min
Triathlon Bike Training | TTS Thursday #3
Triathlon Bike Training | TTS Thursday #3 The demands of triathlon cycling: sustained power and aerodynamics Example workouts and weekly structure Common bike training mistakes to avoid Top tips for improving your triathlon bike training LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans TTS Thursday Episode Archive All previous cycling-related episodes on That Triathlon Show SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW15 to get 15% off your order OR use the code THATTRIATHLONSHOW and get your first box for free. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing. CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Mar 15, 2021 • 1h 16min
Training Talk and offroad triathlon with coach Lesley Paterson (multiple World Champion) | EP#277
Lesley Paterson is a coach and multiple World Champion across XTERRA and ITU Cross-Triathlon. Lesley joins us to discuss training principles as well as specific advice for racing XTERRA or cross-triathlon. IN THIS EPISODE YOU'LL LEARN ABOUT: -Leslie's training principles and approach to coaching -Top tips for improving your swim, bike, and run -Key workouts in each of the three disciplines, and an example training week -Training advice for XTERRA, including when and how to do specific training -Racing advice for XTERRA, including nutrition, gear, and more -Advice for time-crunched athletes SHOWNOTES: https://scientifictriathlon.com/tts277/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW15 to get 15% off your order OR use the code THATTRIATHLONSHOW and get your first box for free. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. LINKS AND RESOURCES: Lesley's website, Twitter, and Instagram Braveheart Coaching website The Brave Athlete: Calm the F*ck Down and Rise to the Occasion - Lesley's book Training for Xterra and off-road triathlon with five-time world champion Melanie McQuaid | EP#196 RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/ CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Mar 11, 2021 • 51min
Swim Training | TTS Thursday #2
Swim Training | TTS Thursday #2 The demands of triathlon swimming: technique, fitness, and open water readiness Example workouts and weekly structure Common swim training mistakes to avoid Top tips for improving your swim training LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans TTS Thursday Episode Archive All previous swimming-related episodes on That Triathlon Show SPONSORS: ZEN8 - The ZEN8 Indoor Swim Trainer is a tool for time-crunched triathletes looking to improve swim specific strength and technique. Trusted by BMC PRO Triathlon Team, age-group triathletes, coaches and physios around the world. Visit zen8swimtrainer.com/tts for 20% off your order. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing. CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Mar 8, 2021 • 1h 13min
Training Talk with coach Emma Carney (double ITU World Champion) | EP#276
Emma Carney is a double ITU World Champion, World Triathlon Hall of Fame inductee, and dominated women's triathlon in the mid-90s. She retired from racing in 2004, and is now coaching at both high performance and age-group levels. IN THIS EPISODE YOU'LL LEARN ABOUT: -Emma's main coaching philosophy and training principles -Tips for developing your swim, bike, and run -Key workouts in each of the three disciplines -Training periodisation, workout execution, and more... SHOWNOTES: https://scientifictriathlon.com/tts276/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: ZEN8 - The ZEN8 Indoor Swim Trainer is a tool for time-crunched triathletes looking to improve swim specific strength and technique. Trusted by BMC PRO Triathlon Team, age-group triathletes, coaches and physios around the world. Visit zen8swimtrainer.com/tts for 20% off your order. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. LINKS AND RESOURCES: Emma's website, Twitter, and Instagram Hard Wired: Life, Death and Triathlon - Emma's autobiography RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/ CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Mar 4, 2021 • 44min
Periodisation | TTS Thursday #1
Periodisation | TTS Thursday #1 What is training periodisation? Periodisation terminology and frameworks Does periodisation really matter? Mikael's framework for "periodisation" LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans TTS Thursday Episode Archive Periodisation Theory: Confronting an Inconvenient Truth with John Kiely | EP#148 Tapering, periodisation and recovery with Iñigo Mujika, PhD | EP#256 Training structure, periodisation and the science of winning with Jan Olbrecht, PhD | EP#198 Triathlon periodisation with Chris Myers | EP#112 Training and periodisation for cyclists with Adam Pulford | EP#211 SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW15 to get 15% off your order OR use the code THATTRIATHLONSHOW and get your first box for free. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing. CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Mar 1, 2021 • 58min
Training methods of Ethiopian runners with Michael Crawley | EP#275
Michael Crawley is a 2h20min marathon runner who has competed internationally for Scotland and Great Britain, and he is assistant professor in social anthropology at Durham University. Michael spent 15 months in Addis Ababa in Ethiopia, running with a group of professional runners and observing their training and their lives. The result of this experience is Michael's first book, "Out of Thin Air: Running Wisdom and Magic from Above the Clouds in Ethiopia". IN THIS EPISODE YOU'LL LEARN ABOUT: -"A day in the life" of Ethiopian runners -What a typical training week looks like -Key workouts for the Ethiopians -The importance of the environment and terrain (altitude, "magic air", special surfaces, forests,...) -The group effect - the importance of training together in an individual sport -Mindset and psychology of the Ethiopians -What can Western, non-professional runners and triathletes learn and implement from professional runners in Ethiopia? SHOWNOTES: https://scientifictriathlon.com/tts275/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW15 to get 15% off your order OR use the code THATTRIATHLONSHOW and get your first box for free. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. LINKS AND RESOURCES: Michael's Twitter, and Instagram Out of Thin Air: Running Wisdom and Magic from Above the Clouds in Ethiopia - Michael's book Run training of Kipchoge, Farah and Rudisha with Matt Fox of Sweat Elite | EP#195 All Running-related episodes on That Triathlon Show RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/ CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Feb 25, 2021 • 38min
Q&A #127 - Fatigue mechanisms and assessments
Q&A #127 - Fatigue mechanisms and assessments What are the different types of fatigue that endurance athletes might run into and their respective time-courses for recovery? Methods to measure or assess fatigue Sprinting as a simple but effective fatigue assessment method LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans Q&A episode archive Devices, apps, and technology for triathletes with Michael Liberzon, Andrew Buckrell and Mikael Eriksson | EP#253 Brain training and psychobiology of endurance performance with professor Samuele Marcora | EP#17 Critical Power and VO2 kinetics with Mark Burnley, PhD | EP#257 Recovery of central and peripheral neuromuscular fatigue after exercise - Carroll 2017 Models to Explain Fatigue during Prolonged Endurance Cycling - Abbiss 2005 SPONSORS: ZEN8 - The ZEN8 Indoor Swim Trainer is a tool for time-crunched triathletes looking to improve swim specific strength and technique. Trusted by BMC PRO Triathlon Team, age-group triathletes, coaches and physios around the world. Visit zen8swimtrainer.com/tts for 20% off your order. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing. CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Feb 22, 2021 • 1h 19min
Balancing training load and recovery with coach Lachlan Kerin | EP#274
Scientific Triathlon coach Lachlan Kerin returns to the podcast to discuss how to plan and execute your training so that there is an appropriate balance between training load and fatigue. IN THIS EPISODE YOU'LL LEARN ABOUT: -How to balance load and recovery at a macro (season/yearly) and meso (roughly monthly) timescale -How to balance load and recovery at an acute, micro timescale (roughly weekly) -Full rest days and easy days - when and how to use each of these -How to account for intense training days, big volume days, and strength training sessions when planning your load-recovery balance -Methods for tracking recovery and training readiness -When (and when not to) and how to adjust training for fatigue -The impact of age, sex, experience, athletic profile and more on the load-recovery balance equation SHOWNOTES: https://scientifictriathlon.com/tts274/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: ZEN8 - The ZEN8 Indoor Swim Trainer is a tool for time-crunched triathletes looking to improve swim specific strength and technique. Trusted by BMC PRO Triathlon Team, age-group triathletes, coaches and physios around the world. Visit zen8swimtrainer.com/tts for 20% off your order. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. LINKS AND RESOURCES: Lachie's coaching profile on Scientific Triathlon and Instagram Glycogen metabolism and optimising glycogen resynthesis with Bob Murray, PhD | EP#252 Sleep, recovery, and performance with Shona Halson | EP#52 Scientific Triathlon coach Lachlan Kerin | EP#192 Training ideologies with James Teagle and Lachlan Kerin | EP#212 Fatigue management with James Teagle and Lachlan Kerin | EP#204 Base training: off-season do’s and dont’s with James Teagle and Lachlan Kerin | EP#201 RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/ CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.

Feb 18, 2021 • 41min
Q&A #126 - Swimming and the specificity of upper body training adaptations (or how the turkeys can catch up with the fish)
Q&A #126 - Swimming and the specificity of upper body training adaptations (or how the turkeys can catch up with the fish) Is having the swim as your weakest discipline really just a consequence of not having put in the long and hard work required in the pool to the same extent that you have on the run and the bike? Differences in muscle fiber type and function between the lower body and upper body Trainability and adaptability of upper body muscle fibers Practical recommendations for improving your swimming LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans Q&A episode archive The Muscle Fiber Profiles, Mitochondrial Content, and Enzyme Activities of the Exceptionally Well-Trained Arm and Leg Muscles of Elite Cross-Country Skiers - Ørtenblad 2018 Effect of swim exercise training on human muscle fiber function - Fitts 1989 Upper body training and the triceps brachii muscle of elite cross country skiers - 2006 Arm and leg substrate utilization and muscle adaptation after prolonged low‐intensity training - Helge 2010 SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW15 to get 15% off your order OR use the code THATTRIATHLONSHOW and get your first box for free. ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Visit roka.com/tts for 20% off your order. RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing. CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Instagram, Facebook, or Twitter.
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