
Blog · Mind & body
Leaving your comfort zone: our method in 4 challenges
A shirtless run at 1 °C, a lake at 3 °C, a barefoot run and the Sadhu Board. Four small challenges to train your mind – and why growth starts where comfort ends.
Growth starts outside your comfort zone
We believe in something simple: you grow when you step, even briefly, out of what’s comfortable. You don’t need to climb Everest. A few small challenges, chosen consciously, are enough to test body and mind – and to show you that you can do more than you think.
In the video we lined them up: four times out of your comfort zone, one after the other.

Watch more on our YouTube channel.
The 4 challenges
1. Running shirtless at 1 °C
The first hit of cold air is the hardest. After a few minutes of running your body warms up and your mind calms down. The lesson: the initial discomfort passes if you don’t run away from it.
2. Getting into a lake at 3 °C
Here it’s all about breathing. Long, slow exhales help you get past the “cold shock” breathing of the first seconds. A few moments in the water are enough to feel incredibly alive.
3. Running barefoot
Without shoes, every step becomes presence: you feel the ground, adjust your stride, you’re here and now. More on this in our guide to walking barefoot.
4. Standing on the Sadhu Board
The final challenge: hundreds of nails under your feet. The point isn’t the pain, but how you react to it. You breathe, relax your shoulders, stay. Find out more in our Sadhu Board guide.

From our shop
Sadhu Board – nail board
- Mango wood
- 1 cm between nails
- The fourth challenge, at home
How to apply it in everyday life
- Choose a small but real challenge: a cold shower, a barefoot walk, five minutes on the Sadhu Board.
- Repeat it: your mind gets used to it, and what was a challenge becomes routine.
- Breathe: in every difficult situation your breath is the first tool you have.
- Respect your limits: leaving your comfort zone doesn’t mean putting yourself in danger.
This is our own experience, not medical advice. Cold and icy water put strain on the body: if you have health issues, talk to your doctor first, never go into the water alone and never do intense breathing exercises in water.
Want to do it with a guide?
Aaron from Addicted To Nature is a certified Wim Hof Method instructor. At the Retreat Zentrum at the Landhotel Altes Zollhaus in Germany there are Wim Hof Method weekends with breathing, guided ice baths and sauna.

Ice bathing at the Zollhaus
Try it with us at the Landhotel Altes Zollhaus
Our guided ice baths take place at the Landhotel Altes Zollhaus in Germany’s Ore Mountains: in the forest lake next to the hotel or in an ice-cold tub.
- Wim Hof Method weekends with certified instructors
- Breathing, ice baths and mindset
- Four saunas to warm up afterwards
Frequently asked questions
What does leaving your comfort zone mean?
Consciously doing something slightly uncomfortable or new, to train mind and body to adapt. It doesn’t mean taking unnecessary risks.
How can I start without a frozen lake?
With a cold finish to your hot shower, a short barefoot walk or a few minutes on the Sadhu Board. Small steps repeated every day.
Does the Sadhu Board hurt?
At first you feel pressure or some pain. With breathing and practice it gets easier. Start with a few seconds and build up gradually.
Where can I learn the Wim Hof Method?
With a certified instructor, for example at the Wim Hof Method weekends at the Retreat Zentrum of the Landhotel Altes Zollhaus in Germany.
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