In this episode, we dive deep into the critical logistical pillars of marathon success that go beyond simple aerobic fitness. If you want to avoid hitting the wall at mile 20, you need to master your fuel, gear, and recovery.

  • The Carbohydrate Bottleneck: Why the marathon is as much a fuel management test as it is an aerobic one, and how burning through glycogen leads to the dreaded late-race bonk.

  • Proactive Fueling Targets: Moving past outdated advice to embrace modern research supporting 90 to 120 grams of carbohydrates per hour for trained athletes.

  • Dual-Source Carbohydrates: Why combining glucose (maltodextrin) and fructose in a ~1:1 ratio uses complementary intestinal transporters (SGLT1 and GLUT5) to prevent absorption bottlenecks.

  • Sweat Testing & Sodium Mechanics: How to run a simple 60-minute field test to calculate your individual hourly sweat loss, plus the truth about sodium, cramps, and hyponatremia.

  • Gut Training: Why your digestive system struggles under race-intensity blood flow redistribution, and how to progressively train your gut during long runs.

  • The Three-Shoe Rotation: Breaking down the functional roles of your durable daily high-volume trainers, responsive workout shoes, and race-day carbon super shoes.

  • Taper Science & The Taper Tantrum: Understanding why a taper is about eliminating cumulative fatigue rather than building new fitness, why feeling terrible is normal, and why you must stick to the 21-day rule.

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