EPISODE · Dec 31, 2025 · 24 MIN
Six Months to IRONMAN: Run Training Explained | Ep 571
from Oxygenaddict Triathlon Podcast · host Rob Wilby
Most Ironman athletes don’t fail in the marathon because they’re bad runners. They fail because they misunderstand what the Ironman run actually is.In this episode of our Six Months to Ironman series, Coach Rob breaks down exactly how to train to run well at the end of an Ironman, based on 15+ years of IRONMAN coaching experience and hundreds, if not thousands of successful first-time finishers.This is not about getting faster at 5K or 10K. It’s about fatigue resistance, durability, and delivering a strong marathon after a long swim and bike.In this episode, you'll learn:Why Ironman running is endurance-limited, not speed-limitedWhy great standalone runners often struggle badly off the bikeThe single biggest mistake age-groupers make with long runsWhy traditional “Sunday long runs” can sabotage your Ironman buildHow the 9 / 1 run-walk strategy improves performance (and isn’t a beginner tactic)How to pace your long runs properly using easy pace, not marathon paceWhy running slower in training actually leads to a faster Ironman marathonHow to structure your week so run training doesn’t wreck your bike and recoveryThe mindset shift that allows you to run strongly in the final 10K while others fall apartIf your goal is to finish your Ironman marathon feeling strong, controlled, and still running while the field around you is reduced to walking, this episode will completely change how you view run training.* * * * * * *SPONSORS* * * * * * * *Thinking about your first Ironman or 70.3 in 2026? At Team Oxygenaddict, we specialise in helping busy professionals fit high-quality training around demanding jobs and family life. We’ve just reopened for new athletes with only a handful of slots available. Book an application call today to find out if you'd be a good fit for Team Oxygenaddict for the coming season here: https://team.oxygenaddict.com/consultation-call/ * * * * * * * * * * * *precisionfuelandhydration.comPrecision Fuel & Hydration help athletes personalise their hydration and fuelling strategies for training and racing. Use the free Fuel & Hydration Planner to get a personalised race nutrition plan for your next event. And then book a free 20-minute video consultation with a member of the PF&H Athlete Support Team to refine your strategy.Listeners get 15% off their first order of fuel and electrolytes with Precision Fuel & Hydration. Simply click this link and the discount will be auto-applied at the checkout.* * * * * * * * * * * *Watch on youtubeListen on SpotifyListen on Apple Podcasts
What this episode covers
Most Ironman athletes don’t fail in the marathon because they’re bad runners. They fail because they misunderstand what the Ironman run actually is.In this episode of our Six Months to Ironman series, Coach Rob breaks down exactly how to train to run well at the end of an Ironman, based on 15+ years of IRONMAN coaching experience and hundreds, if not thousands of successful first-time finishers.This is not about getting faster at 5K or 10K. It’s about fatigue resistance, durability, and delivering a strong marathon after a long swim and bike.In this episode, you'll learn:Why Ironman running is endurance-limited, not speed-limitedWhy great standalone runners often struggle badly off the bikeThe single biggest mistake age-groupers make with long runsWhy traditional “Sunday long runs” can sabotage your Ironman buildHow the 9 / 1 run-walk strategy improves performance (and isn’t a beginner tactic)How to pace your long runs properly using easy pace, not marathon paceWhy running slower in training actually leads to a faster Ironman marathonHow to structure your week so run training doesn’t wreck your bike and recoveryThe mindset shift that allows you to run strongly in the final 10K while others fall apartIf your goal is to finish your Ironman marathon feeling strong, controlled, and still running while the field around you is reduced to walking, this episode will completely change how you view run training.* * * * * * *SPONSORS* * * * * * * *Thinking about your first Ironman or 70.3 in 2026? At Team Oxygenaddict, we specialise in helping busy professionals fit high-quality training around demanding jobs and family life. We’ve just reopened for new athletes with only a handful of slots available. Book an application call today to find out if you'd be a good fit for Team Oxygenaddict for the coming season here: https://team.oxygenaddict.com/consultation-call/ * * * * * * * * * * * *precisionfuelandhydration.comPrecision Fuel & Hydration help athletes personalise their hydration and fuelling strategies for training and racing. Use the free Fuel & Hydration Planner to get a personalised race nutrition plan for your next event. And then book a free 20-minute video consultation with a member of the PF&H Athlete Support Team to refine your strategy.Listeners get 15% off their first order of fuel and electrolytes with Precision Fuel & Hydration. Simply click this link and the discount will be auto-applied at the checkout.* * * * * * * * * * * *Watch on youtubeListen on SpotifyListen on Apple Podcasts
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Six Months to IRONMAN: Run Training Explained | Ep 571
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