Runner’s Sweat Analysis: Understand Your Fluid & Electrolyte Loss

Last updated on April 28, 2025

Sweat Secrets: What You Lose When You Run and Why It Matters Every runner knows that logging miles means getting sweaty. It’s the body’s natural air conditioning system, essential for keeping your core temperature in check during exercise [Source: 16]. But have you ever stopped to think about what’s actually in your sweat, besides water? … Read more

Electrolyte Science: Vital Minerals for Your Running Performance

Last updated on May 11, 2025

Endurance running demands more than just strong legs and mental grit; it requires a finely tuned internal chemistry. Central to this balance are special minerals known as “electrolytes.” But what exactly are they, and why are they so crucial for you as a runner? Electrolytes are minerals that carry an electrical charge when dissolved in … Read more

Running Shoe Midsole Degradation: How and When to Replace Your Shoes Scientifically

Last updated on May 17, 2025

Visual showing midsole foam breakdown after running mileage.

I. Introduction: Ask any group of runners when to replace their shoes, and you’ll likely get a flurry of different answers. Some swear by meticulous mileage tracking, retiring their trainers precisely at the 300, 400, or 500-mile mark. Others go by feel, waiting for that undefinable moment when the shoes just seem “dead.” Then there’s … Read more