From Couch to Ironman at 48

From Couch to Ironman at 48

March 5, 2026 · 33 min · Episode 231

About this episode

Chris Tubbs shares his journey from a sedentary lifestyle to becoming an Ironman athlete at 48, highlighting the importance of nutrition and hydration.

What happens when someone with zero athletic background decides to completely change their life… and accidentally signs up for an Ironman four months later? In this episode of the Triathlon Nutrition Academy Podcast, Advanced Sports Dietitian Taryn Richardson sits down with Triathlon Nutrition Academy athlete Chris Tubbs to unpack his incredible journey from couch potato to multiple Ironman finisher. Chris started triathlon at 48 years old, while travelling 60% of the time for work in the biotech industry. Early on, things didn’t go to plan. Despite doing the training, races were ending in DNFs, cramping, nausea and serious frustration. The surprising part? Fitness wasn’t the problem. Through this conversation, Chris shares how dialling in his nutrition and hydration completely changed his ability to train, race and actually finish events. From ditching an expensive supplement habit to discovering he loses more than 2 litres of sweat per hour, this episode highlights just how powerful personalised nutrition can be for endurance performance. It’s an honest, inspiring conversation about resilience, learning from mistakes and why it’s never too late to…

People in this episode

Host: Taryn Richardson

Guest: Chris Tubbs

Topics covered

Keywords

Mentioned in this episode

Organizations: Triathlon Nutrition Academy, biotech industry

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