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B3 Fitness

Our mission is to create a healthy you, through teaching, learning, and loving. Your goals become our goals, we become a team, we become a family.

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Who We Are

B3 FITNESS

We are a local, family owned business in Tucson, AZ. We have 25+ years of experience in the fitness and sports industry.

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What We Do

Transform lives through fitness and wellness.

We will change your life. Our goal is to make you the healthiest version of yourself from the inside out.

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How about some reviews
Listen to our members

Great people and great coaches. Not what I expected, in a good way, CrossFit to be like. All experience levels are welcome and everyone is encouraged to get a little better everyday...

Eric Brewington

I dropped in for a few classes over Thanksgiving and it was a great experience. Everyone was super welcoming and friendly. The coaches were really helpful and willing to give tips on form even though I wasn't a member. Really enjoyed the classes, definitely recommend them if you're looking for a gym!

Jeanna Bussing

Yes, there really is a Crossfit gym here... and it is the biggest and most well-stocked I have ever been to. Great coaches, great community and great people. Lots of classes at common and uncommon times. Definitely recommend.

Aaron Austin

Meet The Team

Here's our trainers

Our team at B3 Fitness is the foundation of our success. We cherish their dedication, expertise, and commitment to our members' well-being. With their passion and professionalism, we create a supportive environment where everyone can thrive and achieve their fitness aspirations.

  • Dirk Nelson Owner/operator

    Has been in the fitness industry for 20+ years.

  • AJ

    NASM certified

  • Kylie Nelson

    Former collegiate volleyball player now a doctor of Physical Therapy. She can modify any workout to work around any pre-existing injuries, and conducts injury prevention/movement optimization screenings for our athletes.

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Testimonials

Trusted by Thousands, Just like You

Our members speak volumes. Discover why they love B3 Fitness through their glowing testimonials. From life-changing transformations to exceptional service, join us and be part of our success story.

  • Amazing Atmosphere!

    The atmosphere at B3 Fitness is electric! From the moment you step in, you feel motivated and supported by the vibrant community. It's more than a gym; it's a family dedicated to wellness and growth.

    Gregory
  • Affordable

    With reasonable membership rates and exceptional amenities, it's the perfect blend of value and quality. You don't have to break the bank to invest in your health and fitness here!

    Daniel
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It's time to get in Balance.

Ready to embark on your fitness journey? Start achieving your goals with our expert trainers, state-of-the-art facilities, and supportive community.

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