Henrik Jacobi 
I used to think running a marathon was just about strong legs and determination. But during my first 16-week training cycle, I hit a wall—literally and figuratively. I was bonking during long runs and often fatigued. That’s when I realized: I wasn’t feeding my engine right. Nutrition, I discovered, wasn’t just an add-on to my … Read more
I still remember one of my first long training runs where I “hit the wall.” My legs turned to lead, I felt uncomfortable, and I had no idea what went wrong. It wasn’t about mental grit—it was my fuel. The glycogen storage, the body’s high-octane fuel, had run dry. That moment shaped how I trained … Read more
I’ll never forget the wall I hit during one of my first marathons. Somewhere around 35 km, my legs turned heavy, my breathing ragged. That’s when I truly understood the importance of fuel—specifically, glycogen. In the years since, I’ve learned that understanding how your body stores and uses glycogen can transform your training and your … Read more
Can you finish a marathon? I remember the first time I said it out loud: “I’m training for a marathon.” It felt bold. Impossible. But deep down, it was a promise—to myself. Finishing a marathon isn’t about speed or talent. It’s about endurance. It’s about showing up week after week, even when your legs are … Read more
Today it’s rare seeing running people without music, as in-ear earbuds or over the ears as headphones. For most of us, we choose a certain rhythm that fits our running pace. When I bought my first apple iPhone I became aware of headphones for running training, because the box included in-ear headphones! So, I was … Read more
A few months ago, my friend was stuck. She wanted to lose weight, feel better, and reclaim her energy — but nothing seemed to work. As an athlete, I’ve always known the power of running, especially when it comes to running for weight loss, so I offered to help her get started. What followed was … Read more