Slow internal changes and capacity gains

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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 https://scientifictriathlon.com/tts679/

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)
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I really appreciate you reading this and considering helping the show! If you love the show and want to support it to help ensure it sticks around, there are a few very simple things you can do, at no cost other than a minute of your time. 

• Subscribe to the podcast in your podcast app to automatically get all new episodes as they are released.
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