• The World Marathon Majors: Your Guide to Running’s Ultimate Challenge

    For years, serious marathoners talked about the „Big Six“ – those legendary races that every distance runner dreamed of conquering. In 2024, Sydney joined the party, making it officially seven World Marathon Majors. Complete them all and you earn the coveted Seven Star Finisher Medal, plus bragging rights that last a lifetime. Each race has…

  • Heart Rate Zones: What’s Happening Inside Each Zone

    In the last Sweat Science, we broke down why formulas like 220 minus age don’t cut it, how to actually find your real heart rate anchors, and why zones aren’t neat boxes but overlapping waves. This time, let’s go one step further. Instead of just numbers on your watch, we’ll look at what’s actually happening…

  • Heart Rate Zones: How to Find Yours and What They Really Mean

    Every running app loves to spit out “zones.” Zone 2, Zone 5, red bars, green bars, nice colors — but here’s the truth: heart rate training is highly individual. The numbers on your watch are only a starting point. The real system is about how your body reacts. The problem with “220 minus age” Most…

  • Why Heat Training Can Make You Stronger (If You Do It Right)

    Training in the heat often feels like punishment. Every step is heavier, your heart pounds faster, and even easy runs feel like hard work. But here’s the secret: pushing your body in high temperatures can unlock adaptations you won’t get when the weather is mild. With the right approach, heat training doesn’t just make you…

  • Training in Extreme Heat — Your Body’s Emergency Protocol

    When you work out in heat, your body’s main mission isn’t “go faster” — it’s don’t overheat. To dump excess heat, blood is sent from your muscles to your skin so you can sweat and radiate heat away. That’s great for cooling, but it means less oxygen and fuel reach your muscles. Your heart tries…