
Boxeo con garra, entrenamiento y una comunidad acogedora.
Black Twenty One es un gimnasio de boxeo y kickboxing en Denver, ubicado en 1870 S Acoma St, Denver, CO 80223. Combina la energía de un club deportivo con una atmósfera de fitness acogedora. Guiadas por entrenadores como Alejandro (con Mike también), las clases son pequeñas y personalizadas, fomentando un entorno sin juicios para todos los niveles. Los miembros reportan empoderamiento, un crecimiento constante de la técnica y un entrenamiento duro y agradable.
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Sesiones grupales estructuradas centradas en la técnica, combinaciones y el acondicionamiento para todos los niveles.
Entrenamientos dinámicos que combinan técnicas de boxeo y patadas para mejorar la agilidad y la fuerza.
Atención individual de entrenadores experimentados para el desarrollo de habilidades a medida y fijación de metas.
Apoyo desde la esquina y entrenamiento a medida para luchadores competitivos que se preparan para combates.
Instrucción paciente para principiantes para aprender la técnica adecuada y ganar confianza en un entorno de apoyo.
Actividades atractivas que fomentan la camaradería y un ambiente motivador entre los miembros.
Alejandro and Mike are passionate about helping you reach your goals whether that's to win a fight or just learn the fundamentals of boxing while getting a great workout in. This gym is a judgement free zone where anyone from experts to beginners can feel comfortable. I had zero prior boxing experience and I have found a hobby I plan to do for the rest of my life. The classes are small enough that you will always get some individual coaching and attention. The prices are fair and the instruction / experience is very worth it.
This place helped me get my GRIT back during a really hard season of my life. Alejandro is not just an instructor, but a coach. Working with everyone individually at their own levels but keeping a strong foundation of the flow of class. I leave every class feeling empowered and like I won the day! Happy to be part of this community they are building at Black Twenty One. If you're looking for a true boxing experience, look no further. This is it!
I’ve been attending classes here for about a month, and I Iove it. I am older and have always been intrigued by boxing and felt like I needed a workout to help with my reflexes and agility. This has been the perfect fit. It’s no nonsense. Just hard work at a fast pace. Alejandro is very patient especially with someone like me who had no experience and who might take a little longer to learn the proper technique and correct combinations. Highly recommend checking this place out
I’ve trained with Coach Alejandro for a few years, and my boxing and kickboxing skills have improved immensely. He’s cornered me for multiple fights, always bringing a calm and supportive presence. His classes are perfect for all levels—he’s patient, breaks down techniques, and makes sure everyone understands the combos. The gym has a great, welcoming atmosphere with a strong sense of community, making it easy to feel comfortable, even as a beginner. Whether you’re looking to compete or just get in shape, I highly recommend Coach Alejandro and his gym. The environment is motivating, and the personal attention he gives to each student sets him apart from other trainers.
Been going here for almost a year, had no prior experience in boxing and kickboxing. Alejandro is a great coach, breaks everything down step by step and brings out the best in people. The quality, sense of community and belonging in this gym is undeniable. 10/10 would recommend.
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