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Underground Fitness

4.8 (61 reviews)
Closed • 5:00 am - 10:00 AM, 3:00 pm - 7:00 PM

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Services - Underground Fitness

Personal training

Weight counseling

Personal coaching

1 More Service

Weight plan development

Underground Fitness Photos

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Recommended Reviews - Underground Fitness

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Reviews With Photos

Sophie U.

I love training here. I've been coming here for over a year and I have never been in this good of shape. I have gained muscle and and strength I never thought I would have. David Forbes is the best and every session he pushes us to be our best. This is what I love. I wouldn't be able to do the things I can do with out this gym.

Go get your results :)
Julie D.

I've been going to train at underground for 8 months now and the results I've gotten are nothing short of incredible. If you are ready to put in the work they will help you change your life. I train with Aaron and I can honestly say he cares about his people and goes out of his way to make sure they are taken care of properly. If you want a trainer and gym that really cares about not only getting your results but truly taking care of you, this is the place you need to go. This was the best decision I have ever made. Everyone there is so friendly, it feels like a big family, and I'm proud to say I'm part of it.

The beginning of forever!
Adrianna B.

Where do I start! Before Underground Fitness I was in a very unstructured place with my health and fitness. I thought I had the right idea and was on the right path BUT none of my efforts were breeding any results. Just maintaining! I knew I needed something and a regular gym was not going to cut it with my health/fitness ignorance and misconceptions. So I sought out a personal trainer and of course funds were my first concern but I have spent money on fast food in 2 months in what I I swore was to much but nonetheless I took a leap of faith and through my personal training with Daniel and my coaching with Ron I was able to see/feel a change. This time was different I actually took action and was supported with every step! I'm losing weight, gaining muscle, mental clarity, and making a lifestyle change not just a FAD! Im running with my my three kids and making health dinner options for everybody and have been inspired to help others. So thankful for this place!!!! "Whether you think you can, or think you can't... your right!"- Henry Ford

Me with the trainers on my last day before we moved to CA. :(

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6 years ago

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Ron E.

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Ron E.

Thank you for your review and constant dedication to your program!

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Ask the Community - Underground Fitness

Do they have Morning group classes?

Hi Max, we offer morning semi-privates (where we are working with a small number of people as opposed to large group "classes"). This offers a much more focused and personalized plan for you, including nutrition.… Read more

How much does it cost a month?

Hi Anna, Thanks for reaching out!… Read more

View All 3 Questions

Review Highlights - Underground Fitness

“From the very beginning, Ron worked with me to determine what my fitness goals are and how to work towards achieving them.”

Mentioned in 24 reviews

Read more highlights

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BODI

BODI

4.8
(170 reviews)
9.4 mi
Locally owned & operated
10 years in business

There's nothing better than being with a gym so long you get to experience all the growth that…read morecomes with it! Nikki & Nick have really built something special in Scottsdale. I haven't been at Bodi since the beginning but I have been a member for over 5 years and I definitely love that place! There are multiple options of classes that incorporate strength and cardio, yoga, heated mat Pilates and boxing (now Hyrox based class and straight lifting classes). They have expanded to 3 studios to offer all those classes, which is amazing! There's always a variety of exercises to hit the main muscles groups and the accessory muscle groups. The recovery room is super convenient to use after a class or on a rest day. Variety of class times to meet a large range of schedules. They truly value their members and community and are constantly finding ways to benefit the members even more. It can always be a little intimidating trying a new gym or class but I think they do a great job at trying to make everyone feel welcome & it's generally easy to follow along if feeling lost during a workout. The coaches bring so much energy & fun to the classes as well. Bodi is very affordable in comparison to other gyms (especially if you catch one of their sales around holidays). Class pass is another great way to experience some bodi classes. Definitely worth it to try at least once!!

I've only taken three strength training classes so far, but they've all been great. The workouts…read moreare effective, creative, and genuinely fun. I also love the layout of the gym it's clean, well spaced out, and the equipment is great. My only con so far is that, in my experience, the trainers haven't been very engaged with the class or offered much guidance on form. One of the things I love most about group fitness is when instructors hype up the room & shouting out members, offering motivation, or demoing the moves alongside the class instead of just in the beginning and I haven't really seen that yet. That said, the staff are all super friendly, the gym offers so much more than just strength training (which I'm excited to explore), and the playlists are a solid 10/10. If you're in Scottsdale or just want to try a new gym I highly recommend this one!

Photos
BODI
BODI
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TriFIT Wellness

TriFIT Wellness

5.0
(51 reviews)
4.5 mi
20 years in business
Certified professionals

To say TriFit has changed my life, is not overselling this magical place. At 47 years old, I am in…read morebetter shape and healthier than I was in my 30's, all thanks to the training and community created at TriFit by owners/trainers, Steven and Alex. Not only am I in the best shape of my life, but I have met great people and friends through the gym. We hold each other accountable in fun and great ways, and they make me want to jump out of bed in the morning to make the 6:30 class. If other gyms have failed you, you need to give this one a try. You will not be disappointed.

This "gym for non-gym people" will make you a gym person. The coaches care about everyone…read moregenuinely- remembering everyone by name, offering accommodations and modifications to all abilities and fitness levels, and building an environment that is inviting, free of judgment, educational, and fun. I have been going to Trifit classes for over a year now and instead of dreading my workouts, I look forward to them. This place really has allowed for me to make such a drastic change to my lifestyle- building my confidence in fitness spaces, helping me find movement that I enjoy and motivation to stay consistent. No question is too stupid to ask and the information and experience I've gained from working out with the coaches at Trifit is priceless. Getting a membership here was the first decision I made when deciding to prioritize my mental and physical health in my 30's. If you're looking to make a major change to your lifestyle but might need community or guidance to support you on your journey- this is the place to be.

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Small Group training is all we do. Get the benefits of one on one coaching, but have the support and fun of our community along side of you!
Small Group training is all we do. Get the benefits of one on one coaching, but have the support and fun of our community along side of you!
Hands on personal training in a small group
Hands on personal training in a small group
Check out John's amazing transformation!

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Check out John's amazing transformation!
Thurston Personal Training

Thurston Personal Training

4.8
(81 reviews)
5.8 mi

Pic speaks for itself!…read more I was almost disappointed in my first month with Seth because the scale moved a measly 2lbs! But wow what a difference the Styku scan makes! It showed I lost 5" all around! Say what? Then we went up a notch and in a total of 4 months I lost 15lbs and 18" all around! Yes 18". Now my abs are POPPING! I'm also now wearing a size 2 jean--which I've never been in before. His program is a no nonsense, no fad or silly workout routine. It's a comprehensive program for anyone who is serious about weight loss and getting in shape. It's super simple. Seth is amazing to work with. He is very confident and knowledgeable. He can work through any issues with injury, diet, etc. He guides you through the workouts and encourages you along the way. The accountability alone made a huge difference and kept me consistent even when motivation dipped. And if anyone has an excuse, it's me--I have three kids, one with special needs, a job, and real life happening nonstop--yet this program was still realistic and doable. Beyond the physical changes, my confidence is at an all-time high and I finally feel strong, capable, and proud of my body. If you're on the fence, don't be--this program works, and I'd recommend Seth without hesitation.

They specialize in conditioning and reconditioning. Also strengthening and stretching. Great…read morenutrition advice with affordability as well! They are super caring and they train you throughly. The office is very inviting and it's judgement free. I recommend this place as real gym to workout at and not have to fight over equipment! Also, they are very considerate and caring if you had previous injuries and will work to strengthening your muscles with care and provide information on injury prevention and appropriate body alignment.

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After
After
4 month side changes
4 month side changes
Nov 2023

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Lucas James Celebrity Personal Trainer

Lucas James Celebrity Personal Trainer

5.0
(12 reviews)
9.2 mi
Luxury
Available by appointment

Mr. Lucas James was instrumental in helping me look and feel great for my wedding…read more Not only did he recommend and push my workouts, he didn't hold back on emphasizing the significance of a clean diet. Additionally, his dietician named Mary was great in trying to keep me compliant (which was a challenge from my perspective lol) Long story short, I am very happy with his team, and would recommend anyone to trust his words of executive personal training and wisdom.

I've been working out with Lucas since I moved to Scottsdale about 1.5 years ago…read more Lucas is the first true personal trainer I've worked with, but I have had multiple gym memberships at various places, some of which allowed me to sign up for one-off 1:1 training sessions. Unfortunately, none of those gym memberships or 1:1 training sessions worked for me. The difference between my prior memberships and Lucas is the accountability factor and the added bonus of having a registered dietitian helping from a nutrition standpoint. No one at 24 Hour Fitness is holding you accountable to show up everyday, and no one at Orangetheory is delivering a workout that is tailored to your specific goals. Lucas has been great about adjusting workouts based on my personal objectives, and his dietitian has been equally great with consistent recommendations specifically for me. Above all: Lucas switches it up so it's not boring and mundane, he's fun and personable, and he's flexible with my crazy busy work and travel schedule. I'd recommend him to anyone looking to get fit. If you put in the work, you will see results!

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Scottsdale Luxury Gym with Private 1-on-1 personal training - Lucas James | Celebrity Personal Trainer
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Underground Fitness

Underground Fitness

4.8
(54 reviews)
9.3 mi

TLDR; signing up for the 9-week transformation was hands down one of the best decisions I've made…read morefor myself in quite a while. They give you the tools to bet on yourself, and win. I had attempted to lose the 25-30lbs id put on for ~2-2.5 years with zero traction. I would start enthusiastically, and when I didn't see ANY results, I'd either give up completely or take my foot off the gas considerably. Then wash. rinse. repeat. I was completely hopeless and frustrated with my self and my life. Enter underground fitness. I left my initial consultation with Dave feeling almost giddy (and. don't use that phrase lightly). Everything he said just clicked - for the 1st time in a long time, it felt not only possible but likely that I would be able lose the weight. And 9+ weeks in that feeling hasn't gone away. Thanks to Dave and my Trainer Tripp (honestly one of the most knowledgeable trainers i've ever met), and despite my newly discovered hypothyroidism, I've lost 3 inches off my waist, I have the confidence to take pictures with my family/niece and even been able to bring a few items of clothing out of retirement! And all this was possible without being forced to eat salads or protein shakes all day. Dave taught me how to be accountable for myself and my food. If I want dessert, and make sure I have it budgeted into my daily calories and I eat that dessert. He genuinely cares about his clients and his only goal is for your to reach your goals, and in the process teach you how to eat for the rest of your life. Honestly, could have easily gotten double the money out of me for the following 9 weeks program but because I was doing well with my nutrition, he moved me to a less hands-on 9-week program. And frankly, Just knowing that I know how to lose the weight and keep it off and that I won't have to deal with this issue again is pretty mind-boggling.

I'm sharing this for safety reasons…read more During a squat session a few months back, I told my trainer that my back was hurting during the squats. Despite this, I was instructed to complete another set. During that final set, I injured my back badly enough that I could not walk afterward. At no point was the exercise stopped, reduced, or modified when I reported pain. I still can't squat, my back isn't fully recovered. Afterward, communication was disappointing. When my husband and I later explained that we needed to pause training due to finances, we received no response. Regardless of certification or experience level, a trainer should prioritize client safety, listen when pain is reported, and communicate professionally. Unfortunately, that was not my experience. Update: After posting this review, the trainer contacted me and offered me money to take my review down. Since he can't contact me he reached out to my husband regarding my review. I am adding this update for transparency.

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My first competition season could not have been done without Kerry & Dave.  I owe it all to them!
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KJ & Nancy (members) - rocking their new UF T's !!!
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Mountainside Fitness Desert Ridge

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4.2
(337 reviews)
8.2 mi

I recently joined Mountainside Fitness and expected a time consuming sign up process with extensive…read moresales pitches to try to get me to sign up for more of a membership than I needed or could afford. I was pleasantly surprised when Bailee streamlined the process without any pressure. She also offered me free trials of membership benefits like the red light therapy and the brand new cold plunge! Bailee was so friendly and helpful in assisting me in deciding on how to proceed with my membership choices in a non committal way like I wanted. A gentleman named Jake gave us a tour and was very respectful of the limited amount of time I had to spend on the tour. He also explained all about the included classes and ammeneties available at each location! A great part about Mountainside fitness is that they allow 12-year-olds to join so that means my daughter can come with me! I could not find another gym in the area that allows children under 13 to attend so I was really pleased at this privilege. I also liked that all the memberships allow you to go to any location.! I'm really grateful that Bailee was there to help, being that she was so knowledgeable on the membership options and perks! P.s. I love the cold plunge!

There is so much I wish they did different at desert ridge mountainside fitness. For starters,…read moreclean the changing table cover it's pretty gross. Staff are either understaffed or under-qualified if there are frequent "incidents" but no one actually SAW what happened. If there's a bball court- a game area- an infants area- a tv room- a main room- AND a bounce house room- there should be enough people staffed to cover EACH area ESPECIALLY during busier times. I've lost my trust in this gym's staff.

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Mountainside Fitness Desert Ridge
Mountainside Fitness Desert Ridge
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Physiques Gym

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4.9
(46 reviews)
5.2 mi

As the year comes to a close I just wanted to update my review and show the progress I've made in…read morethe last couple years with physique gym and it's amazing coaches! Not only have they coached me in the gym to make me stronger and build a physique I've always dreamed of having they have also rehabbed a knee surgery, strained adductor muscles and a little hip arthritis. On top of that they have taught me about food and how to eat which is my biggest struggle because I look at something and I gain 5 lbs! The list goes on at how much this place has done for me and how it's changed me and shaped me!!! If you're looking for a place to make changes get rid of old habits so you can truly have a new year new you better you this is the place to do it!!! The pics below are my last 3 Decembers of where I started 2022 then 2023 and how I'm ending 2024! Cant wait for December 2025 update pic!!!

For years I struggled with my weight and a bad right hip , walking into Physiques Gym has been the…read morebest decision I've ever made. Craig and Cara prepared me for my hip replacement . Eight months ago I had a total right hip replacement after a month an 1/2 of my surgery I was back in the gym moving forward with my journey. Physiques Gym is more than just a gym we are a family. Craig and Cara will motivate you , push you and guide you to make sure your journey is successful!! My journey is far from done, I'm glad I found the best gym and best coaches . The drive from South Chandler to North Phoenix is absolutely worth it!!

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Personal training for adults
Personal training for adults
You don't have to be a bodybuilder to train here.
You just have to be ready to work. www.PhysiquesGym.net
You don't have to be a bodybuilder to train here. You just have to be ready to work. www.PhysiquesGym.net
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Underground Fitness - healthtrainers - Updated June 2026

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