Underground Fitness

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19420 N 59th Ave
Glendale, AZ 85308

Underground Fitness is a top personal training studio located in Phoenix, Arizona. They offer customized fitness strategies, sustainable nutrition coaching, and hands-on coaching to help individuals lose weight permanently and improve their overall health and well-being. With their Fit Over 40 program, they cater to men and women of all fitness levels, helping them achieve improved strength and mobility. Additionally, their 63 Day Transformation Bootcamp Classes provide a high-intensity workout experience to help individuals get in the best shape of their lives. Underground Fitness is dedicated to helping their clients achieve their fitness goals and make lasting lifestyle changes.

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5.052 reviews
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Jennifer E.
8/12/2025

If you're serious about improving the way you look and feel, Roxanne at Underground Fitness is the trainer you want by your side. She's incredibly knowledgeable and takes the time to assess your...

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Jean S.
4/10/2025

I wanted to leave an update on my experiences at Underground since I joined last fall. The owner/trainer Kevin D. is truly phenomenal at what he does. He is 100% dedicated to helping his clients...

Jean S.
10/27/2024

I have been going to Underground Fitness for about a month now and am really enjoying it. After living a sedentary lifestyle for a number of years, it has felt great to get back into a gym and not...

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Diane M.
8/20/2022

No response to calls left vm for rob ? Someone said he would call back as did vm msg no response

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Pavan L.
4/13/2019

I have been with UF from the past 1.5 years and I can't say enough good things about these guys. The whole vibe at UF is extremely encouraging and positive - thanks to all the trainers - Trisha,...

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