The Science of Fatigue: How to Run Longer and Stronger (re-release)

Ever wonder why your body seems to give out before your mind does… or why some days you feel mentally done before your legs are? In this episode, we’re diving deep into fatigue in running — what causes it, how your brain and body contribute, and most importantly, what you can do to delay it and improve your performance.

You’ll learn:

• What fatigue actually is and how it shows up during a run

• Why we can’t just run as fast as we want for as long as we want

• The difference between physical and mental fatigue (and why you need to address both)

• The key models and theories that explain why fatigue happens

• Why fatigue isn’t just about muscles or mindset — it’s multifactorial

• Practical strategies to improve your fatigue resistance through training, fueling, hydration, and mental techniques

Whether you’re training for a race or just trying to enjoy your long runs more, this episode is packed with actionable tips to help you feel stronger, more resilient, and better prepared to push through the tough moments.

Looking for the resources mentioned in today's episode?

⁠⁠⁠⁠⁠Get your free fueling audit here!⁠

And if you’re ready for more support, I’ve got options—whether it’s my brand-new ebook⁠ ⁠Fuel Smarter, Run Stronger⁠⁠, my group program⁠ ⁠The Fuel Train Recover Club,⁠⁠ or apply for personalized⁠ ⁠1:1 coaching ⁠⁠this season.