Overtraining symptoms: Why most people have it all wrong
Overtraining is real. It’s serious. It can knock even the most dedicated athlete down for weeks—or even months. The symptoms are scary: fatigue that doesn’t go away, declining performance despite consistent effort, constant soreness, disrupted sleep, mood swings, and loss of motivation. When overtraining hits, it feels like the body and brain are both waving […]
What does personal training cost?
Let’s flip the question around.Instead of asking “What does personal training cost?”, ask yourself: “What is it worth to feel strong, pain-free, capable, and in control of your body again?” Because here’s the truth: Personal training isn’t a cost. It’s an investment. And unlike many things we call “investments in ourselves,” this one actually appreciates […]
Is CrossFit dangerous? Discover what most people get wrong
“Is CrossFit dangerous?” It’s a question nearly every CrossFit coach or athlete has been asked. It usually comes from a well-meaning friend, a concerned family member, or someone who’s watched one too many injury compilations online. But to answer that question honestly, we have to go deeper than clickbait headlines and gym folklore. Let’s start […]
How to tweak your CrossFit training for HYROX
HYROX is a race. CrossFit is a method.If you already do CrossFit, you’re ahead of the game. You have the strength, the conditioning, and the mindset. But HYROX is all about volume and repeatable output under fatigue. You don’t need to stop doing CrossFit — you just need to tweak your training with intention. Here’s […]
Fitness bank: Why you should start saving now
Think of your body as a bank account. But instead of money, you’re saving fitness. Every time you move with intent—lifting, walking, sprinting, stretching, sweating—you’re making a deposit. Every night of good sleep, every nourishing meal, every active choice—they all add to your account. Over time, the total builds, slowly and quietly. And just like […]
Fitness challenge – a helpful boost or a short term fix
A fitness challenge can be a great way to kick off new habits. Whether it’s 30 days of movement, 6 weeks of clean eating, or a team-based competition with weekly tasks, fitness challenges are everywhere. They’re motivating, often fun, and give you something concrete to focus on. At CrossFit Kreis 9, we’re not against fitness […]
Rest days aren’t lazy—they’re science-backed
In a world that glorifies hustle, rest days often carry a stigma. For many, taking a day off from training feels like slacking. But science—and experience—tell us the opposite: a well-planned rest day is a powerful tool for progress, not a sign of weakness. Whether you’re chasing strength gains, weight loss, performance improvements, or just […]
Why Hyrox is not the new CrossFit
Lately, there’s been a lot of buzz around Hyrox, with some calling it “the new CrossFit.” The rise in popularity of this fitness race has led to comparisons between the two. While both involve functional fitness and high-intensity effort, they serve very different purposes. CrossFit is a training methodology designed to build general physical preparedness […]
Not everyone is a fit for us—and that’s by design | CrossFit in Zurich
When it comes to finding the right CrossFit in Zurich, most people focus on location, price, or how intense the workouts look. But at CrossFit Kreis 9, we believe the real question isn’t whether we’re near your office or how sweaty you’ll get. The real question is: Are we a fit for each other? That’s […]
Body composition analysis: Why the scale doesn’t tell the full story
When it comes to measuring health and fitness progress, body composition analysis gives you a much clearer picture than just stepping on a scale. The number on the scale only shows your total weight — it doesn’t reveal what that weight is made of. Two people can weigh the same but have very different levels of fat, […]
