In this episode of the Marathon Running Podcast, updates and expert insights to keepyou informed on the latest in running and competitive sports. We sit down with Arj Thiruchelvam, performance coach and founder of Performance Physique, todiscuss a groundbreaking study published in the British Journal of Sports Medicine. We asked Arj to help us redefine "how much is too much" and why your smartwatch might be giving you a false sense of security regarding your training load. We tease the "30-Day Window" and why a single-session distance spike is the most dangerous move a marathoner can make.

Why You Should Listen: You will learn how to scientifically audit your training month to prevent overuse injuries and why structural "load tolerance" is different from aerobic fitness.

Our guest this episode: Arj Thiruchelvam — performancephysique.co.uk

Connect with Us: Our website: https://www.marathonjournal.com

YouTube: https://youtube.com/@marathonjournal

Instagram: https://www.instagram.com/runningpodcastFollowus on Strava: https://www.strava.com/athletes/30798607

In this episode of the Marathon Running Podcast, we interview registered dietitianand Ironman finisher Alex Larson to tackle the controversial topic of achievinga leaner body composition without sacrificing performance power. We discuss whymany marathoners feel embarrassed to admit they want to "lean out"and how to strategically shift your focus from simple weight loss to functionalbody composition changes. Larson shares her expert insights on"front-loading" nutrition—including the 40-gram protein breakfastrule—and explains why you should never diet during your training runs. We alsodive into the "Peanut Butter Paradox," the critical importance ofmonitoring ferritin and Vitamin D levels, and how fueling properly during theday can exponentially improve your sleep quality and recovery. This episodeprovides expert insights to keep you informed on the latest in running andcompetitive sports.

Why You Should Listen:

· Our guest this episode: Alex Larson (https://alexlarsonnutrition.com)

· Connect with Us:

· Our website: https://www.marathonjournal.com

· Instagram: https://www.instagram.com/runningpodcast

· YouTube: https://youtube.com/@marathonjournal

· Follow us on Strava: https://www.strava.com/athletes/30798607

In this episode of the Marathon Running Podcast, we dive into seven evidence-backed principles that transform your physiology to build a faster marathon. We explore how high mileage functions as a "neuromuscular rewiring" tool to turn your legs into mechanical springs, increasing tendon stiffness and lowering oxygen cost. You will learn how to master metabolic flexibility to burn fat at higher speeds, the latest research on the 90-gram carbohydrate fueling revolution, and why high-load strength training is essential for biomechanical efficiency. We also provide updates and expert insights on the benefits of "super shoes," the critical role of deep sleep in recovery, and the performance-optimizing power of the 80/20 polarized training model to keep you informed on the latest in running and competitive sports.

Why You Should Listen:Our guest this episode: MarathonJournal.com 🔗

Connect with Us:

• Our website: https://www.marathonjournal.com

• Instagram: https://www.instagram.com/runningpodcast

• YouTube: https://youtube.com/@marathonjournal

• Follow us on Strava: https://www.strava.com/athletes/30798607