
Was founded in 2020 with the goal of helping people lead a healthier lifestyle. It officially opened on February 2, 2022, offering effective training and an exceptional workout experience.

















Coaches
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DAVID MADRENAS
COACH
As an athlete with over eight years of experience in coaching and a lifelong passion for sports, my mission is to empower people to improve their health and lifestyle.
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SABINA QUILIS
COACH
My goal is to help people experience with their bodies what they believe is not possible to achieve. I am committed to giving my best to make it your passion, just as it has become mine.
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GUILLE LAS HERAS
COACH
I strongly believe in the power of fitness to enhance both physical and mental well-being. My objective is to guide and support the customers in their journey towards effective training.
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MATILDA NORDBERG
COACH
My ultimate goal is to help and educate my clients to the best of my abilities, empowering them to discover and reach their full potential. Let’s grow and succeed together!
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CARLES GARCÍA
COACH
I started practicing sports as a hobby, but now it has become an essential part of my daily routine. Let me guide you in the world of sports, and together we'll progress to achieve your goals.
Testimonials
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Simone ★★★★★
“I’m training at ThundBalance since a few months and it has been an awesome experience. Coaches are very well prepared, and they push your limits higher and higher, while keeping it fun and enjoyable. Totally recommend this fitness studio!”
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Gemma ★★★★★
“Recomiendo Thundbalance 100% ya que es un centro privado y especializado en entrenos personales.
Después de estar 3 años sin hacer nada de deporte empecé a entrenar y no puedo estar mas contenta, los cambios son increíbles tanto físicos como los hábitos alimentarios que adquieres.”
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Lisa ★★★★★
“ThundBalance es un lugar perfecto para entrenar, tranquilo y con todo el equipo que necesitas.“
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Dylan ★★★★★
“I've been training at ThundBalance now for just over a year. I really recommend training here because it's enjoyable with a coach who makes the sessions fun but also push your self in the process. If you want to take things the right way, all of the guys here are super knowledgeable.”
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Nicholas ★★★★★
“I've been training at ThundBalance for 1 year.
It has brought my squat from 60 kg to 97.5 kg for 8 reps and my RDL from about 60 kg to 110 kg for reps.
ThundBalance has a lot of really great trainers.”
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Regina ★★★★★
“Llevo entrenando con ThundBalance por 6 meses. Me han ayudado a lograr mis objetivos. Son super abiertos a dialogar para considerar mis necesidades y muy flexibles con tema de horarios.”
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Panagiotis ★★★★★
“I joined ThundBalance for a 3-month program. I am now half way through this program and I can say that starting training with David and ThundBalance was one of my best fitness decisions.”
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Gala ★★★★★
“Siempre tienen los entrenos super preparados y se aseguran de que se ajusten completamente al objetivo que tengas. Se preocupa por tu bienestar completo.”
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Roger ★★★★★
“Després d’uns quants anys entrenant per lliure, aquest cop vaig voler posar-me en mans d’experts i l’experiència està sent 100 % recomanable!”
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Jean-Pascal ★★★★★
“I've been using ThundBalance for more than 2 years now and it's been game changer for me. I've been shocked by how much progress I've made. The team is just fantastic.”
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Daria ★★★★★
“I've joined right after the gym got opened. I'm definitely very happy and even proud of the results that I got and I definitely recommend anybody who's considering ThundBalance to join.”
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Matthew ★★★★★
“Great place with friendly, knowledgable trainers!! They really give you the best workout and help you achieve your goals :)”
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Alessandra ★★★★★
"Llevo casi 3 años viniendo a ThundBalance. Los profesores son fantásticos, los he probado casi todos. Muy, muy aconsejable, muy contenta."
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Miguel ★★★★★
“Genial sitio de entrenador personal 💪 mejorarás muy rápido tu perfomance y te hacen rutina de entrenamiento completamente adaptada a tus necesidades.”
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Iván ★★★★★
“Fa 2 anys que vaig començar vindre a ThundBalance. Gràcies a l'equip de ThundBalance i a tots els entrenadors a dia d'avuí estic aconseguint els meus objectius.”
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Melanie ★★★★★
“Recomendado totalmente, un gran sitio con espacios y materiales ideales para entrenar. Llevo tres meses y estoy muy contenta con los resultados tanto físicos como mentales.”
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Denisa ★★★★★
“I recently visited Thundbalance Fitness, and it was an amazing experience! The gym is beautifully designed, clean, and has a pleasant atmosphere that makes working out enjoyable.”
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Pablo ★★★★★
“Llevo entrenando con David unos 2 años. Ha sido el único que ha conseguido apasionarme con el entrenamiento. He ganado muchísimo músculo y he aprendido mucho.”
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Ivo ★★★★★
“I improved a lot in just over 6 weeks in which I also gained 6 kg (which is great for a so called "hardgainer"). I Cannot recommend it more”.
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Eusebio ★★★★★
“Experiencia increible. Trato personalizado y entrenamiento a medida según tus necesidades. Trato super cercano y detallista.”
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Brad ★★★★★
“top notch training professionals.”
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Marko ★★★★★
“Amazing team, great workouts every week, they really provide attention and care. Highly recommended.”
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Lucero ★★★★★
“Estoy encantada con este centro y los entrenadores. Me han apoyado bastante en estos casi 3 meses que llevo e incluso estando con una pequeña lesión han sabido escucharme y reajustarme los ejercicios de manera que pueda seguir progresando para lograr mi objetivo.”

We prioritize comfort by making the space safe and welcoming.

We provide customers with a private workout space.

A peaceful environment enhances focus and growth.

We will adapt to each situation during the sessions.