Gordo Byrn on optimising Ironman training, the importance of volume and low intensity training, and practical age-group training

Take the TTS LISTENER SURVEY HERE ! Or copy and paste the following link into your browser: ------------------------------------ Gordo Byrn is a former investment banker turned professional triathlete at a later stage in life without an endurance sports background. He podiumed at Ironman New Zealand and Ironman Canada, and also became Ultraman World Champion. Today, Gordo is a coach and a prolific writer, with a lot of great thoughts and perspectives on how to improve performance in triathlon and endurance sports, and even in life. HIGHLIGHTS AND KEY TOPICS: The importance of high-volume training, mainly at low intensity, in Gordo’s training philosophy. Gordo’s comeback to endurance sports in his 50s after a long time out from consistent and focused triathlon or other endurance sports Why you should not do an Ironman within your first year of triathlon training The difference between adaptive and maladaptive training load, and how to make sure you stay on the adaptive side. The importance of lactate testing to establish your low-intensity training zones Practical tips for age-group athletes on how to apply more “elite” or professional training principles to their day to day life and constraints The main differences between professional Ironman training methods in the 2000s and today. DETAILED EPISODE SHOWNOTES: We have detailed shownotes for all of our episodes. The shownotes are basically the podcast episode in written form, that you can read in 5-10 minutes. They are not transcriptions, but they are also not just surface-level overviews. They provide detailed insights and timestamps for each episode, and are great especially for later review, after you've already listened to an episode. The shownotes for today's episode can be found at LINKS AND RESOURCES: Gordo’s Substacks: Endurance Essentials , Gordo’s Substack , True Wealth Gordo’s Youtube , Twitter and Instagram Gordo’s book (with John Hellemans and Julie Dibens): From Lemon To Legend: A Comprehensive Guide To Running, Cycling, Swimming And Triathlon Papers cited Aerobic Energy Turnover and Exercise Economy Profile During Race Simulation in a World-Record-Breaking Male Full-Distance Triathlete - Christensen 2024 (the Magnus Ditlev case study, already a modern classic in triathlon science) How to Skate a 10k by Nils van der Poel (free download) WHAT SHOULD I LISTEN TO NEXT? If you enjoyed this episode, I think you'll love the following related episodes: Craig Alexander – Three-time Ironman World Champion | EP#461 - one of the very best of Gordo’s contemporaries goes deep into the training that made him a three-time Ironman World Champion Rune Kjøsen Talsnes, PhD | EP#427 - great scientific and applied information on overtraining and non-functional overreaching, related to Gordo’s points about maladaptive training, stress and fatigue Ironman World Champion Solveig Løvseth on her race day strategy in Kona, her training block at altitude, heat training and more! - my interview with Solveig with the simulation session referenced in the episode You can find our full episode archives here , where you can filter for categories such as Training, Racing, Science & Physiology, Swimming, Cycling, Running etc. You can also find separate archives for specific series of episodes I've done, specifically Q&A episodes , TTS Thursday episodes , and Beginner Tips episodes . LEARN MORE ABOUT SCIENTIFIC TRIATHLON: The Scientific Triathlon website is the home of That Triathlon Show and everything else that we do Contact us through our contact form or email me directly (note - email/contact form messages get responded to much more quickly than Instagram DMs)

You can listen to Gordo Byrn on optimising Ironman training, the importance of volume and low intensity training, and practical age-group training online on Radio and Podcast. Open the player on this page to stream the available audio.

Gordo Byrn on optimising Ironman training, the importance of volume and low intensity training, and practical age-group training is an episode from That Triathlon Show by Mikael Eriksson.

This episode is 01:59:08 long.

This episode was published on Jan 22, 2026.

Yes. Use the heart button on the episode page to add it to your favorite episodes list.

Yes. This page shows related episodes from That Triathlon Show when more episodes are available from the podcast feed.