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Building Muscle Isn’t Enough — How to Stay Capable as Your Body Changes | Rob Lea
05 August 2026

Building Muscle Isn’t Enough — How to Stay Capable as Your Body Changes | Rob Lea

Ageless Athlete — Healthy Aging for a Strong, Capable Life

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Ageless Athlete Newsletter. Weekly longevity insights + behind-the-scenes. No spam ever. 🚨

If you’re over 40, one of the hardest truths to accept is that the body and training approach that got you here may not be the one that carries you forward.

In this episode, Rob Lea, 45, shares what it took to become the first person in history to complete the Double Seven — climbing the highest summit on every continent and swimming the Oceans Seven — while navigating injuries, recovery, changing body demands, and everyday life.

We talk about why looking fit is not the same as being capable, how Rob adapted across radically different sports, and why staying athletic for the long run may require becoming a different kind of athlete.

This is a conversation about resilience, longevity, ambitious goals, and learning to change before you get stuck.

If you want to stay strong, capable, and adventurous as you age, this episode is for you.

Follow Rob on Instagram: @rob.lea

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Topics: longevity, fitness over 40, endurance training, aging athletes, recovery, injury prevention

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Ageless Athlete is a podcast about healthy aging for people who want to stay strong, active and capable for life. Conversations explore strength, endurance, mobility, recovery, VO2 max, muscle and bone health, and what it takes to keep doing the things you love as you get older.

Follow Ageless Athlete — How to Stay Strong, Curious & Capable for Life for new episodes each week.