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Lyell Grunberg is a 23 year old professional Slackliner and artist from Switzerland. Having 7 years of experience, he is part of the best Trickliners worldwide and one of the most versatile Slackliners ever. Lyell is Slacklining as a full-time career since June 2016.

Having participated in more than 25 international competitions around the world, traveling and meeting the Slackline community worldwide, holding workshops and performing shows all over Europe and overseas, he is a well-known athlete for his never-dying motivation and his will to learn something new everyday. “My goal as a Slackliner is to inspire people to balance every single aspect of their life. Walking on the line is for me only a practical way of seeking for balance in everything I do”.

His philosophy: “Things always seem impossible, until their done. Train a little every day, be patient and at some point you will become really good”. Lyell is a very ambitious and enthusiastic person and trains hard to achieve his dreams. “On a slackline we are constantly falling. I believe it is the same for us in life. We are constantly seeking balance. Each and one of us has to learn to balance and use each opportunity to learning something new everyday”.

Pieces of Lyell's Slacklife



Lyell already has a lot of experience in shows! For example in Brussel in a circus and even a wedding in San José! If you want to get in touch with him you can do so by sending him an email at [email protected]


Lyell is a specialist on the trickline, you can almost call that a narrow trampoline. His style is elegant, clean and he makes fancy grabs! 

Beside the positive effects in physio therapy, slacklining also helps me to free my mind in breaks between work and it helped me to get a better posture. But mainly, slacklining for me is fun and adventure. It takes me to crazy places and helped me meet amazing people from all over the world.

Lyel grunberg highline
The traditional Swiss castle "Château Saint Maire" has been restored in 2018. For it's opening, Lyell walked up to the castle carrying the flag that is now hanging in the wind on the highest tower. Picture by Laurent Gilleron

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