
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

Aug 6, 2020 • 27min
Q&A #98 - Daily calorie needs, Energy Availability, and stress fractures
Q&A #98 - Daily calorie needs, Energy Availability, and stress fractures What should you do to figure out your daily calorie needs to avoid low Energy Availability and RED-S? The problems with many online calculators for basal metabolic rate Relative Energy Deficiency in Sports (RED-S), how it relates to low energy availability, and incidence of stress fractures LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans RED-S (Relative Energy Deficiency in Sports) with Margo Mountjoy | EP#233 IOC consensus statement on relative energy deficiency in sport (RED-S): 2018 update 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.

Aug 3, 2020 • 58min
Training talk with Eirik Myhr Nossum, national team coach of Norway's cross-country skiing team | EP#245
Eirik Myhr Nossum is head coach of the Norwegian cross-country skiing national team. In this interview we discuss his training and coaching philosophy for cross-country skiing and generally for endurance training, and how it applies to elite and amateur endurance athletes, respectively. IN THIS EPISODE YOU'LL LEARN ABOUT: -Eirik's general training and coaching philosophy -The training of world-class cross-country skiers -Polarised training and training volume -Interval and threshold training -Periodisation -Performance testing -Advice for age-group endurance athletes SHOWNOTES: https://scientifictriathlon.com/tts245/ 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: Prestasjonsprat - Eirik's podcast Polarised training with Stephen Seiler, PhD | EP#177 Training Priorities: Seiler’s Hierarchy of Endurance Training Needs | EP#120 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.

Jul 30, 2020 • 31min
Q&A #97 - Best practices for training after work; How to deal with mental and physical fatigue from the workday
Q&A #97 - Best practices for training after work; How to deal with mental and physical fatigue from the workday What preparation and mental and physical activation can be done to optimise training performance after a demanding workday? When and how should you adjust training for fatigue from the workday? The 20-minute rule LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans Pre-run activation video Pre-swim activation video 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.

Jul 27, 2020 • 36min
An up to date scientific analysis of polarised training vs. threshold training with Michael Rosenblat | EP#244
Michael Rosenblat is a Canadian researcher working towards his PhD. In this interview we discuss one of his main research papers: a meta-analysis and systematic review comparing polarised training and threshold training in endurance sports. IN THIS EPISODE YOU'LL LEARN ABOUT: -How polarised training and threshold training are defined in the scientific literature, and common misconceptions around this -The scientific evidence available comparing these training models -Why polarised training may work better than threshold training for endurance athletes -Just how polarised (high vs. moderate intensity) should polarised training be? -How strictly should athletes and coaches follow "hard numbers" in their training intensity distribution (between low, moderate, and high intensity)

Jul 23, 2020 • 52min
Q&A #96 - Using crit plans for triathlon cycling improvements; Focus blocks on your weakest discipline; Training stimuli to get past fitness stagnation
Q&A #96 - Using crit plans for triathlon cycling improvements; Focus blocks on your weakest discipline; Training stimuli to get past fitness stagnation Can a crit training plan be a way to apply a new training stimulus for cycling improvements? Does it make sense to use "focus blocks" where you're primarily focusing on your weakest discipline? How to know what sort of training stimuli might help you break out of fitness stagnation LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans 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.

Jul 20, 2020 • 51min
What types of intervals are most effective? A scientific analysis with Michael Rosenblat | EP#243
Michael Rosenblat is a Canadian researcher working towards his PhD. In this interview we discuss one of his main research papers: a meta-analysis and systematic review all about interval training. IN THIS EPISODE YOU'LL LEARN ABOUT: -Long, medium, and short High-Intensity Interval Training (HIIT) compared with Sprint Interval Training (SIT) -The scientific evidence available for trying to find the "optimal" type of interval training -Why Long HIIT may have certain advantages over other types of HIIT as well as SIT -Should athletes try to optimise (find the one best workout) or mix things up to get the best of all worlds? SHOWNOTES: https://scientifictriathlon.com/tts243/ 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: Evidence-Based Coaching - Michael's website Effect of High-Intensity Interval Training Versus Sprint Interval Training on Time-Trial Performance: A Systematic Review and Meta-Analysis Interval Training – Science and Application part 1 with Paul Laursen | EP#128 Interval Training – Science and Application part 2 with Paul Laursen | EP#129 Interval Training – Science and Application part 3 with prof. Paul Laursen | EP#163 Sprint Interval Training with Jerome Koral | EP#151 Designing interval training: 10 things you have to know | EP#139 Designing interval training part 2: 10 MORE things you have to know | EP#146 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.

Jul 16, 2020 • 37min
Q&A #95 - Differences and similarities between 70.3 and Ironman training; What does it take to finish an Ironman; What does it take to qualify for Kona
Q&A #95 - Differences and similarities between 70.3 and Ironman training; What does it take to finish an Ironman; What does it take to qualify for Kona What are the differences and similarities between training for half and full distance triathlons? Considerations around long workouts, training volume, intensity, nutrition, recovery, equipment, and indoor training How many hours per week should you train if your goal is to finish an Ironman? How many hours per week should you train if your goal is to qualify for Kona? LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans Kona qualification: what it takes (in hard numbers) with Russell Cox | EP#76 Coach Cox - Kona qualification stats 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.

Jul 13, 2020 • 1h 22min
Run training with Hugo van den Broek | EP#242
Hugo van den Broek is an elite running coach based in Kenya, with a professional running background himself and a 2:12 personal best for the marathon. In this interview, he discusses his training and coaching philosophy for distance running. IN THIS EPISODE YOU'LL LEARN ABOUT: -The mental aspects of running and endurance sports -Training volume and training intensity distribution -Periodisation -Threshold training -Training monitoring -Differences between fast-twitch and slow-twitch dominant athletes -Training for time-crunched athletes SHOWNOTES: https://scientifictriathlon.com/tts242/ 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: Train Smater Run Faster - Hugo's website The Kenya Experience All past running 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.

Jul 9, 2020 • 24min
Q&A #94 - Duration and frequency of long runs; The long run in Xterra training
Q&A #94 - Duration and frequency of long runs; The long run in Xterra training What factors should you consider when deciding on the frequency and duration of your long run? Specific long run recommendations when training for Xterra as well as sprint, Olympic, half and full distance triathlon LINKS AND RESOURCES: Scientific Triathlon website Coaching Training Plans Q&A #51 - What are the benefits of long rides? Can you get the same effects by pre-fatiguing the muscles with intensity? Q&A #59 - Base training and long rides; Aerobic threshold training; Lactate meters and ramp tests 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.

Jul 6, 2020 • 1h 14min
Running biomechanics, economy, and training load with Izzy Moore, PhD | EP#241
Izzy Moore, PhD, is a researcher specialising in running biomechanics, economy, and injuries. In this interview, we discuss her research in these areas and the implications of her findings for triathletes and runners. IN THIS EPISODE YOU'LL LEARN ABOUT: -Running biomechanics, self-optimisation, and gait analysis -Wearables and running biomechanics metrics -Running economy: what factors impact it, and how can you improve it? -Injury risk and prevention -Footwear, and the impact on biomechanics, economy, and injury risk -Training load quantification SHOWNOTES: https://scientifictriathlon.com/tts241/ 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: Dr. Moore's profile and list of publications on the Cardiff Metropolitan University website Human Movement Research Group website What Type of Run Training Improves VO2max, the Aerobic Threshold, and Running economy? | EP#91 Running form, biomechanics, shoes, and myths part 1 with Dr. Thomas Hughes | EP#110 Running form, biomechanics, shoes, and myths part 2 with Dr. Thomas Hughes | EP#111 Running form and the search for common ground among top coaches, researchers, physicians, and physical therapists with Jonathan Beverly | EP#116 Running science: economy, strength training, lactate threshold, and performance predictors with Jordan Santos | EP#117 The New Science of Running Form | EP#136 Nike Vaporfly 4% – can these shoes really make you run faster? with Wouter Hoogkamer | EP#179 Running form and training talk with Bobby McGee (USA Triathlon) | EP#225 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.