9714 N 7th St, Phoenix, Arizona 85020
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Underground Fitness Trainers

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Personal Training near Central-North Phoenix

Travis

Head Trainer/Co-Owner at UF Desert Ridge

Travis Thomas is a dedicated personal trainer at Underground Fitness with over six years of experience helping clients achieve their fitness and wellness goals. A proud ...

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Personal Training near North Central Phoenix

Kim

Personal Trainer at UF Desert Ridge

With more than 20 years of experience as a trainer, Kim Pedersen’s passion for fitness remains as strong as it was on day one. She helps people unlock their full ...

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Personal Training near Central

Ron

Head Trainer/Co-Owner at UF North Central Phoenix

Ron Edwards is the Head Trainer and Client Success Lead at Underground Fitness – North Central Phoenix
, where he combines over 14 years of personal training and ...

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near Phoenix

Scott

Founder and Co-Owner

Scott Carpenter is the Founder of Underground Fitness, bringing more than 15 years of vision, leadership, and innovation to the fitness community in Arizona. From the very ...

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Personal Training near Central

Christina

Registered Dietitian and Wellness Coach

Christina Kroog is a Registered Dietitian and Wellness Coach at Underground Fitness, where she helps clients bridge the gap between fitness and nutrition for lasting lifestyle ...

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Personal Training near Central

Roxanne

Personal Trainer at UF North Central Phoenix

Roxanne Ruark is a skilled personal trainer at Underground Fitness who takes a measured and thoughtful approach
to every client’s fitness journey. She is known for ...

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Personal Training near Central

Gavino

Head Trainer at UF Arrowhead

Gavino Borquez is a trainer at Underground Fitness with a diverse background that blends hands-on strength training expertise with professional sports insight. A competitive ...

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Personal Training near Central

Tripp

Personal Trainer at UF Arrowhead

Tripp Cossey is a trainer at Underground Fitness and a professional American football player competing in European leagues
. His experience as an athlete at the professional ...

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Be the Hero of Your Own Story With Underground Fitness!

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Personal Training near Central-North Phoenix

Carl Newsome

I, like most overweight people, have tried EVERY DIET imaginable with very little success. After years of battles and struggling, my weight reached my all-time high of 425 lbs in 2020 and I felt absolutely sick. I decided I had to do something. Much like everyone does, I cut out some foods and started light cardio. I started losing weight almost immediately! The first 50 lbs melted away pretty quickly, but then I plateaued. I was stuck. I started counting calories and adding more movement with no success. Luckily, I saw an ad on social media for Underground Fitness. That is where I met Gavino and Tripp. Both are excellent trainers. From day one, they pushed me and kept me accountable. Today, I weigh 235 lbs and I am still losing weight steadily. We have adjusted my goals and constantly adjust my strength training to push my limits and continue to make gains! My next goal is to break that 200 lb mark, and I feel confident that I will achieve that with Underground Fitness. Here, I’m not just a barcode that comes and goes. If I don’t show, Gavino is calling or texting me. He pushes when I need him to and doesn’t allow any excuses! That’s what has worked for me, and I have been able to stick with it for this long. I can’t say that about any other workout regiment or gym membership!
Fitness near Phoenix

Juliaette Chamberlain

I wanted more individual than a group class but not as much as a 1:1…Underground Fitness has been the perfect fit. I was in low/medium shape and stuck in a rut of letting everything else take priority over my health.

You start with a personal consultation where they learn your goals and recommend a plan accordingly. I decided to sign up for 3x a week workouts and 1x a week with their nutritionist, Christina. I paid for the 10-week plan – you can either equip yourself to then go train on your own or to stick with Underground.

You never train with more than 4 people at a time and it is a completely individualized plan. There is variety of learning new exercises while also consistently doing fundamentals. I have all the help I need from a very skilled trainer (shoutout to Ron) but have other people I’m working out with and not over scrutinized (what I didn’t like about a 1:1). I’ve also stuck to my plan because I feel accountable to show up for my scheduled time.

I’ve learned so much from Ron’s demos & explaining the “why” to avoid injury and build strength. He goes above and beyond – when I had sore muscles by my shin he helped with stretches and easy massage I did to get those muscles back to work. Christina (nutrition) was also well worth the investment – she is GOOD. Your health is worth your time, investment, and a good place to help you.
Fitness near Phoenix

Sonya Baca

I recently had the privilege of working with an exceptional personal trainer who didn’t just transform my fitness journey. She helped heal parts of my emotional world, too.

Roxanne is the embodiment of expertise, compassion, and encouragement. From our very first session, I knew I was in capable, caring hands. Her deep knowledge of fitness was evident in every movement and cue, but it was her intuitive ability to connect, listen, and adapt that truly set her apart.

🏋️‍♀️ Customized, Supportive Training

Roxanne tailored every workout to my unique abilities, gently pushing me toward my full potential without ever making me feel overwhelmed. As a beginner, I felt seen and supported. Yet I witnessed her seamlessly shift gears to challenge more advanced clients with the same thoughtful intensity.

She doesn’t just build strength, she builds confidence. With Roxanne, I learned to feel safe in my body. I moved without fear of injury or judgment, and I began to trust myself again.

💛 A Deeper Connection

What truly moved me was her unmatched empathy and emotional intelligence. I had worked with other trainers in the past, but none understood the emotional weight I carried, especially related to the loss of my brother to cancer. Roxanne honored that grief. She helped me continue the health journey my brother and I started together, with sensitivity and grace that I will never forget.

🎯 Results Beyond the Physical

Thanks to Roxanne:

  • I achieved my strength and fitness goals.

  • I gained lasting confidence in myself.

  • I found emotional healing along the way.

✅ Why I Recommend Roxanne

  • 💪 Expertly tailors workouts to all levels

  • 🤝 Creates a safe, supportive, judgment-free space

  • 🔄 Seamlessly adapts between beginner and advanced clients

  • 🌱 Helps clients grow physically and emotionally

  • 🧠 Honors personal stories and journeys

  • ❤️ Motivates far beyond the physical realm

If you’re looking for a trainer who truly goes above and beyond, Roxanne is the one. She changes lives, not just bodies.


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