

That Triathlon Show
Mikael Eriksson
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.
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.
Episodes
Mentioned books

Jul 25, 2019 • 38min
Q&A #44 - Carb/fat combustion based on pace and heart rate; VO2max intervals on flats or uphill
Q&A #44 - Carb/fat combustion based on pace and heart rate; VO2max intervals on flats or uphill If heart rate was in zone 4 and pace in zone 2: did you use mostly carbs or fats for fuel? Can you do track/road intervals on hilly trails, and if so, should they still keep the same structure or can they be free form? Should mobility work count towards your total training duration? LINKS AND RESOURCES: That Triathlon Show website Coaching Training Plans SPONSORS: ROKA - The finest triathlon wetsuits, apparel, equipment, and performance eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code TTS. 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 THATTRIATHLONSHOW and get your first box for free OR use the code THATTRIATHLONSHOW20 to get 20% off your entire 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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Jul 22, 2019 • 1h 7min
Hydration in endurance sports: a Q&A with Andy Blow | EP#191
Andy Blow, founder of Precision Hydration and former elite triathlete answers listener questions about hydration and electrolytes in racing and training. IN THIS EPISODE YOU'LL LEARN ABOUT: -Hydration preloading for races -Rehydrating after training and racing -Having three independent levers on race day: water, electrolytes and calories -Hypotonic vs. hypertonic solutions -Cramping on the Ironman run SHOWNOTES: https://scientifictriathlon.com/tts191/ THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com 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 THATTRIATHLONSHOW and get your first box for free OR use the code THATTRIATHLONSHOW20 to get 20% off your entire 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. Get 20% off your entire order with the discount code TTS. LINKS AND RESOURCES: Hydration, sodium and cramping with Andy Blow | EP#49 Q&A #27 - Cramping (with expert guest Andy Blow), what CTL is required to get to Kona and a little rant... Should you really just ‘drink water to thirst’? - Precision Hydration blog post Why do athletes suffer from cramp? - Precision Hydration blog post Should your hydration strategy change as you get older? - Precision Hydration blog post What Your Body Actually Needs During Different Types of Endurance Exercise - Precision Hydration blog post Different types of sports drink and when to use them. - Precision Hydration blog post 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.
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Jul 18, 2019 • 45min
Q&A #43 - Weight gain during Ironman training, and is there too much intensity in traditional triathlon swim programs
Q&A #43 - Weight gain during Ironman training, and is there too much intensity in traditional triathlon swim programs Why am I gaining weight rather than losing or maintaining weight when training for an Ironman? Is there too much intensity in "traditional" triathlon swim programs? LINKS AND RESOURCES: That Triathlon Show website Coaching Training Plans SPONSORS: ROKA - The finest triathlon wetsuits, apparel, equipment, and performance eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code TTS. 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 THATTRIATHLONSHOW and get your first box for free! 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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Jul 15, 2019 • 1h 32min
Lactate and bioenergetics: quantifying and improving endurance performance with Shannon Grady | EP#190
Shannon Grady is the founder of GO! Athletics and an expert in the application of bioenergetics, lactate dynamics, and applied physiology for endurance performance optimization. Shannon has worked with over 9000 athletes including Olympic, professional, collegiate, and high school athletes in over 25 sports, and is herself a former professional runner, NCAA All-American, and five-time Team USA Triathlon with 4 Top-10 ITU World Championship finishes. IN THIS EPISODE YOU'LL LEARN ABOUT: The science of bioenergetics and lactate dynamics and how they relate to endurance performance and training The fallacy of traditional lactate testing A systems based training approach based on the individuals range of lactate concentration How many endurance athletes lack at least one system and are therefore bioenergetically limited and therefore compromising their endurance perfomance Training mistakes that lead to bioenergetic deficits and suboptimal performance and training adaptations Nutrition mistakes that lead to bioenergetic deficits and suboptimal performance and training adaptations SHOWNOTES: https://scientifictriathlon.com/tts190/ THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com 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 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. Get 20% off your entire order with the discount code TTS. LINKS AND RESOURCES: Go! Athletics - Shannon's website Threshold Confusion: Aerobic, Anaerobic, Lactate, Functional - Help! | EP#71 FTP, VO2max and VLaMax: what triathletes need to know with Sebastian Weber | EP#169 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.
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Jul 11, 2019 • 32min
Q&A #42 - Increasing swimming stroke rate, heart rate response to different bike intervals, and becoming less reliant on your kick when swimming
Q&A #42 - Increasing swimming stroke rate, heart rate response to different bike intervals, and becoming less reliant on your kick when swimming How to increase your swimming stroke rate effectively. Why doesn't heart rate rise as much in very short and hard intervals as in longer and slightly less intense intervals? How can you transition to becoming less reliant on your kick in swimming - particularly in the open water in a wetsuit LINKS AND RESOURCES: That Triathlon Show website Coaching Training Plans Swim Types and Fault Fixers with Swim Smooth's Paul Newsome | EP#188 Like A BMI Chart But For Your Swimming Polarised training with Stephen Seiler, PhD | EP#177 SPONSORS: ROKA - The finest triathlon wetsuits, apparel, equipment, and performance eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code TTS. 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 THATTRIATHLONSHOW and get your first box for free! 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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Jul 8, 2019 • 1h 4min
Ten high-leverage ways to improve your training and triathlon performance | EP#189
Learn about ten extremely important and high-leverage ways to improve your training and triathlon performance. These aspects of the training process are often not in place, in particular in self-coached athletes. If you can start incorporating even a few of them in your training you are pretty much guaranteed to see great improvements in your training and triathlon performance. IN THIS EPISODE YOU'LL LEARN ABOUT: -Knowing the purpose of each and every workout -Having the right mindset in training to make the most of every workout -Prerequisites of successful workouts - mobilisation, hydration status, energy and carbohydrate status, recovery status -Using session-RPE to train at the right intensity -Focusing on the big picture -Balancing your engine and your chassis -Getting out of your comfort zone by doing things that you consciously or subconsciously tend to avoid doing in training -Using group training strategically -Benefiting from the compound effect of coaching, testing, and technical advice -Constantly improving your training and racing by an effective review and self-reflection process SHOWNOTES: https://scientifictriathlon.com/tts189/ THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com 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 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. Get 20% off your entire order with the discount code TTS. LINKS AND RESOURCES: A New Approach to Monitoring Exercise Training - Carl Foster 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.
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Jul 4, 2019 • 22min
Q&A #41 - Back to back morning workouts; flip turns, bilateral breathing and non-freestyle strokes; and run training progress when returning from a stress fracture
Q&A #41 - Back to back morning workouts; flip turns, bilateral breathing and non-freestyle strokes; and run training progress when returning from a stress fracture Can you do two workouts in the morning rather than one in the morning and one in the evening and still get the same benefits? Should triathletes learn how to do flip turns, how to swim other strokes than freestyle and how to bilaterally breathe? What is a safe way to get back into running when returning from a stress fracture? LINKS AND RESOURCES: That Triathlon Show website Coaching Training Plans SPONSORS: ROKA - The finest triathlon wetsuits, apparel, equipment, and performance eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code TTS. 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 THATTRIATHLONSHOW and get your first box for free! 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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Jul 1, 2019 • 1h 43min
Swim Types and Fault Fixers with Swim Smooth's Paul Newsome | EP#188
Paul Newsome coaches thousands of triathletes and open water swimmers every year through his company Swim Smooth with its local squad in Perth, through international courses and clinics, through the global Swim Smooth coaching network and indirectly through the Swim Smooth blog and podcast. In this episode we discuss the Swim Types system and how to correct and improve the stroke of each Swim Type. IN THIS EPISODE YOU'LL LEARN ABOUT: -Taming the Arnie -Boosting the Bambino -Inspiring the Kicktastic -Curing the Overglider -Supporting the Swinger -Motivating the Smooth SHOWNOTES: https://scientifictriathlon.com/tts188/ THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com 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 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. Get 20% off your entire order with the discount code TTS. LINKS AND RESOURCES: Swim training structure the Swim Smooth way with Paul Newsome (part 1) | EP#132 Swim training structure the Swim Smooth way with Paul Newsome (part 2) | EP#133 All previous swimming-related episodes on That Triathlon Show Should your hydration strategy change as you get older? - Precision Hydration blog 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 Twitter - my handle is @SciTriat.
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Jun 27, 2019 • 38min
Q&A #40 - When to choose a road bike in a non-draft race, using half or full Ironmans in the lead-up to a big goal race, and making up calories after big days of training
Q&A #40 - When to choose a road bike in a non-draft race, using half or full Ironmans in the lead-up to a big goal race, and making up calories after big days of training How do you know if you should choose a road bike or a tri bike for very hilly races like Ironman 70.3 Nice? Can you use half and full Ironmans in the lead-up to an important goal race or are you better off just training? Should you make up all calories expended on a big day of training that same day, or can you make them up the following day? LINKS AND RESOURCES: That Triathlon Show website Coaching Training Plans Race-day fueling and The Core Diet with Jesse Kropelnicki | EP#40 Gribble Best Bike Split SPONSORS: ROKA - The finest triathlon wetsuits, apparel, equipment, and performance eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code TTS. 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 THATTRIATHLONSHOW and get your first box for free! 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 Twitter - my handle is @SciTriat.
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Jun 24, 2019 • 1h 13min
Nitrate loading, marathons, and endurance sports science with prof. Andy Jones | EP#187
Professor Andy Jones is internationally recognized for his work in academia and applied sports science. He has authored more than 280 original research and review articles, worked with the two best marathoners in history (Eliud Kipchoge and Paula Radcliffe) and is perhaps best known for his pioneering work in the use of dietary nitrate (found in e.g. beetroot) and its impact on endurance performance. IN THIS EPISODE YOU'LL LEARN ABOUT: -Nitrate loading: what are the benefits and what is the proper protocol for it? -Can nitrate loading be done with normal beetroot juice or beetroots, or are specific supplements preferable? -Will we see the 2-hour marathon milestone broken soon, and what advances in running should take place for it to happen? -Running and endurance performance in large part comes down to three parameters: aerobic capacity (VO2max), economy, and lactate threshold. How should we train to improve these parameters? -The Critical Power concept and how it stacks up to Maximum Lactate Steady State SHOWNOTES: https://scientifictriathlon.com/tts187/ THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com 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 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. Get 20% off your entire order with the discount code TTS. LINKS AND RESOURCES: Andy's profile on the University of Exeter webpage Andy's profile on ResearchGate Mind, body, and the curiously elastic limits of human performance with Alex Hutchinson | EP#101 There's New Data on the Beet Juice Boost - Sweat Science Blog Chronic high-dose beetroot juice supplementation improves time trial performance of well-trained cyclists in normoxia and hypoxia. Beet It 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 Twitter - my handle is @SciTriat.
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