
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

4 snips
Dec 20, 2024 • 60min
Workout Design: How to Individualise Intensity Targets | EP#451
In this episode we discuss how you can move beyond basing workouts on arbitrary percentages of thresholds. You will learn how to individualise your intensity targets to your specific performance profile to get more out of your key workouts. IN THIS EPISODE YOU'LL LEARN ABOUT: -The pros and cons of basing intensities on percentages of threshold (or percentages of any one fixed marker) -Who can benefit from identifying and individualising target intensities beyond percentages of threshold? -How to establish your performance profile -How to use your performance profile to set intensity targets for different types of workouts SHOWNOTES: https://scientifictriathlon.com/tts451/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout. LINKS AND RESOURCES: -Separating evidence from hype in endurance sports (Mikael interviewed on the Endurance Innovation podcast) -Mallorca Training Camp 2025 -Portugal Training Camp 2025 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.

Dec 2, 2024 • 60min
Sam Proctor (coach of India Lee) - Training talk | EP#450
Sam Proctor is a triathlon coach based in Loughborough in the United Kingdom. He coaches athletes at both amateur and professional levels, including India Lee, who finished 8th in the T100 World Tour (with one win and one 3rd place along the way). Sam has a strong triathlon background himself, with a 7:55 Ironman PB. IN THIS EPISODE YOU'LL LEARN ABOUT: -Sam's coaching methodology -Swim, bike and run training principles -India Lee's training, including changes made to achieve some breakout results this year -A breakdown of India's training week the week before race week of the T100 Grand Final -Tips for age-group athletes SHOWNOTES: https://scientifictriathlon.com/tts450/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout. LINKS AND RESOURCES: -Sam's Instagram and website profile -Training Talk with coach Mark Pearce | EP#247 -Bradley Wiggins: My Time: An Autobiography -Swim, Bike, Run: Our Triathlon Story - by Alistair and Jonathan Brownlee -Mallorca Training Camp 2025 -Portugal Training Camp 2025 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.

Nov 20, 2024 • 1h 21min
Rob Cheetham - Training talk and Leon Chevalier's Kona preparation | EP#449
Rob Cheetham is a South African triathlon coach based in Bath in the UK. He coaches professional and age-group athletes, including his wife Susie (who also coaches for Cheetham Coaching) and Leon Chevalier, who recently finished 4th in the Ironman World Championships in Kona. IN THIS EPISODE YOU'LL LEARN ABOUT: -Rob's coaching methodology and key principles -Coaching as a team with his wife Susie -A deep dive into swim training, and Rob's swim training and swim technique principles -How to maximise return on time investment for age-group athletes -Tips for improving in swimming, biking and running for age-group athletes -Overrated and underrated things and concepts in triathlon -Detailed insights into Leon Chevalier's preparation for Kona, including volume and intensity, key sessions, and more SHOWNOTES: https://scientifictriathlon.com/tts449/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout. LINKS AND RESOURCES: -Kasper Pedersen – Training talk and Magnus Ditlev’s Kona preparation | EP#448 -Nikki Bartlett and Bex Milnes – 5th in the Ironman World Championships | EP#446 -Mallorca Training Camp 2025 -Portugal Training Camp 2025 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.

Nov 12, 2024 • 1h 31min
Kasper Pedersen - Training talk and Magnus Ditlev's Kona preparation | EP#448
Kasper Pedersen is a Danish triathlon coach working with professional athletes, junior and developing athletes, and age-groupers. He is an important part of the team around Magnus Ditlev, and usually the man on the ground to help with the day to day coaching and support during training camps and races. IN THIS EPISODE YOU'LL LEARN ABOUT: -Kasper's backstory in triathlon and coaching -His coaching methodology and key principles -Training principles for age-group athletes -Tips for improving in swimming, biking and running for age-group athletes -Detailed insights into Magnus Ditlev's preparation for Kona, including volume and intensity, altitude training, and heat preparation protocols -Detailed breakdown of Magnus' final altitude week before travelling to Kona -The importance of the team around a world class professional athlete SHOWNOTES: https://scientifictriathlon.com/tts448/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout. LINKS AND RESOURCES: -Nikki Bartlett and Bex Milnes – 5th in the Ironman World Championships | EP#446 -Torben Rokkedal Lausch | EP#412 -Altitude training with prof. Grégoire Millet | EP#258 -Bent Rønnestad, PhD | EP#386 -Ben Stephenson, PhD – Heat preparation, physiology, performance planning, and the Paralympics | EP#443 -Mallorca Training Camp 2025 -Portugal Training Camp 2025 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.

6 snips
Oct 22, 2024 • 1h 11min
High intensity, running power, suffering capacity, bias in training prescription (Q&A) | EP#447
Tobias Haumann, a scientific triathlon coach with expertise in endurance sports, joins the discussion. He dives into the concept of 'round number bias' in training prescriptions, pointing out its drawbacks. The duo explores the cost-benefit aspect of high-intensity intervals, discussing their value in training. They delve into the importance of suffering capacity during races and evaluate the reliability of running power metrics and devices, highlighting the need for individualized approaches to training for optimal performance.

Oct 15, 2024 • 1h 35min
Nikki Bartlett and Bex Milnes - 5th in the Ironman World Championships | EP#446
Nikki Bartlett, a professional triathlete fresh off her impressive 5th-place finish at the Ironman World Championships, shares her journey overcoming injuries with her wife and coach, Bex Milnes. They discuss the strategic planning that led to Nikki's success, including adaptations made for the challenging Nice course. Listeners will hear about Nikki's intense training regimen, the importance of preparation on race day, and essential advice for age-groupers gearing up for future Ironman events.

Oct 7, 2024 • 50min
Training zones and thresholds: 101 to 401 | EP#445
In this episode we discuss everything you need to know about training zones. We also discuss the first and second lactate and ventilatory thresholds. IN THIS EPISODE YOU'LL LEARN ABOUT: -Training zones as a communication tool -How I use training zones (and how I don't use them) -Not relying on training zones for training prescription -Other common mistakes with training zones -Lactate and ventilatory threshold testing and definitions -Is one of lactate or ventilatory testing better than the other? -Field test, training and race data based alternative to lactate and ventilatory testing SHOWNOTES: https://scientifictriathlon.com/tts445/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout. ZEN8 - The ZEN8 Indoor Swim Trainer allows you to improve technique, power, and swim training consistency. You can target specific aspects of your stroke, like catch and pull-through, work on core activation and body position, and make sure you stay consistent in your swim training even when you don't have time to go to the pool. Try the Zen8 risk-free for 30 days, and get 20% off your first order on zen8swimtrainer.com/tts. LINKS AND RESOURCES: -Mallorca Training Camp 2025 -Portugal Training Camp 2025 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.

Sep 18, 2024 • 1h 52min
David Roche - The training and racing strategy behind his epic Leadville 100 course record | EP#444
David Roche is a running coach (trail, track and road) and trail runner. He recently broke the longstanding Leadville 100 course record (in his first 100-mile race no less), a record previously thought unbreakable. In this episode, he sheds light on everything that went into this phenomenal feat. IN THIS EPISODE YOU'LL LEARN ABOUT: -How David set out to beat what was thought to be an unbreakable record at the Leadville 100 -David's training process: focusing on speed, low(ish) volume, using cycling and uphill treadmill -Nutrition and fuelling: David's high-carb approach, and training tactics learnt from competitive eating -Year-round heat training, ketones, sodium bicarbonate, and other marginal gains -Race execution: pacing, mindset, and putting it all together -How David has used insights from cycling and long-distance triathlon into his trail running prowess -It took 18 years to be an overnight success: reflections on consistency over time SHOWNOTES: https://scientifictriathlon.com/tts444/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout. ZEN8 - The ZEN8 Indoor Swim Trainer allows you to improve technique, power, and swim training consistency. You can target specific aspects of your stroke, like catch and pull-through, work on core activation and body position, and make sure you stay consistent in your swim training even when you don't have time to go to the pool. Try the Zen8 risk-free for 30 days, and get 20% off your first order on zen8swimtrainer.com/tts. LINKS AND RESOURCES: -David's website, podcast, and Instagram -Mallorca Training Camp 2025 -Portugal Training Camp 2025 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.

Sep 11, 2024 • 1h 31min
Ben Stephenson, PhD - Heat preparation, physiology, performance planning, and the Paralympics | EP#443
Ben Stephenson, PhD, is Performance Planning Lead and physiologist for the Great Britain para triathlon squad in Loughborough. He joins us off the back of the Paralympics in Paris where Team GB had a very successful games with five para triathlon medals, including two golds. IN THIS EPISODE YOU'LL LEARN ABOUT: -Core temperature and thermoregulatory strain in sprint distance triathlon -Heat preparation: science and practice -How to minimise the risk of getting ill: which factors matter the most? -The performance planning process behind Great Britain's Paralympic success -Training to performance demands or to the individual physiology? -Balancing the art of coaching and sports science SHOWNOTES: https://scientifictriathlon.com/tts443/ SCIENTIFIC TRIATHLON AND THAT TRIATHLON SHOW WEBPAGE: www.scientifictriathlon.com/podcast/ SPONSORS: Precision Fuel & Hydration help athletes personalise their hydration and fueling strategies for training and racing. Use the free Fuel & Hydration Planner to get personalised plan for your carbohydrate, sodium and fluid intake in your next event. That Triathlon Show listeners get 15% off their first order of fuel and electrolyte products. Simply use this link and the discount will be auto-applied at the checkout. ZEN8 - The ZEN8 Indoor Swim Trainer allows you to improve technique, power, and swim training consistency. You can target specific aspects of your stroke, like catch and pull-through, work on core activation and body position, and make sure you stay consistent in your swim training even when you don't have time to go to the pool. Try the Zen8 risk-free for 30 days, and get 20% off your first order on zen8swimtrainer.com/tts. LINKS AND RESOURCES: -Ben's Twitter and Research Gate -High Thermoregulatory Strain During Competitive Paratriathlon Racing in the Heat - Stephenson et al. 2019 -Mixed Active and Passive, Heart Rate-Controlled Heat Acclimation Is Effective for Paralympic and Able-Bodied Triathletes - Stephenson et al. 2019 -Training Load, Salivary Immunoglobulin A and Illness Incidence in Elite Paratriathletes - Stephenson et al. 2019 -Bent Rønnestad, PhD | EP#386 -Training talk with Bex Milnes | EP#353 -Failure is not an optioon: Mission Control From Mercury to Apollo 13 - book by Gene Kranz -Mallorca Training Camp 2025 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.

Aug 28, 2024 • 1h 33min
Dr. Jeff Sankoff (the TriDoc) - Health and medicine in endurance sports | EP#442
Dr. Jeff Sankoff, an emergency physician, triathlete, and coach, shares vital insights on health for endurance athletes. He discusses the connection between longevity and endurance sports, emphasizing cardiovascular health. Jeff breaks down the significance of personalized blood tests, particularly for iron and vitamin D levels. He also tackles dental health myths tied to endurance training and dives into anti-doping challenges in amateur sports, advocating for fair competition and health awareness. An enlightening blend of medical knowledge and athletic passion!
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