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Underground Fitness at 9714 N 7th St, Phoenix, AZ offers a personalized fitness experience with a focus on individual goals. Trainers such as David, Roxanne, and others provide tailored workouts that ensure effective and safe progress. Members appreciate the knowledgeable and motivating staff who customize plans for various fitness levels and body needs. The gym maintains a welcoming and hygienic environment, making it a preferred choice for many looking to achieve their fitness goals.

The supportive community and commitment to personal training over standard equipment-focused gyms mark Underground Fitness as a standout. It's particularly suitable for those needing accountability and a structured approach to fitness. With flexible scheduling and professional trainers who build trust and confidence, it's clear why many members have found success and loyalty here.

Pros:

  • Highly personalized training plans.
  • Trainers are knowledgeable and motivating.
  • Welcoming and friendly environment.
  • Safe and effective workout routines.
  • Clean and well-maintained facility.
  • Great for all fitness levels.
  • Flexible scheduling to accommodate busy lives.
  • Strong focus on accountability and results.
  • Nutrition counseling available.
  • Community-oriented atmosphere.

Cons:

  • Not open 24/7.
  • Limited space due to smaller gym size.
  • Music selection may not suit everyone's taste.

Location / Contact

Rating Stats

4.9

out of 5.0

1 reviews
5.0
79 reviews
4.0
0 reviews
3.0
0 reviews
2.0
0 reviews
1.0

Reviews (80)

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I workout with Aaron Tuesdays and Thursdays at UnderGround Fitness. Each day spent with Aaron I am more impressed with his knowledge, encouragement, hard work/time spent on each individual and passion with training. I leave each workout satisfied, sore and with a smile. Thank you for all that you do for us!!

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By far one of the best gyms I've ever been to. Camille is an amazing trainer who is always there to motivate you and give you a great workout. Ron just simply sold me from the beginning of our first appt. He was all about understanding what my goals were and ensuring that I had started the program right. I highly recommend

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After many years of trying to find something that would not only fit with my schedule but also my goals I stumbled upon this place. If you are looking for something different then a normal gym with out the "GYM" personalities then this is your place. I met with Ron to go over my goals and needs and what they are able to offer and he was great, I was assigned to Dan so be my coach and have had a great time both learning new things as well as appreciate the support needed to not dread going to an appointment. I am not one to write reviews on places, they either keep my business or lose it. I have to say that I am so far very happy with the team.

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The staff at the gym is friendly, professional and encouraging. I have been working with Trish for over a year and she is the best trainer I have ever worked with. A well deserved 5 stars to Underground Fitness.

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This place is awesome! Shout out to Chris for taking a lot of time to evaluate my strengths and weaknesses and develop a plan for me to meet my goals. I am not a fan of big gyms and that is why I love Underground Fitness. This is a very comfortable place to work out and not feel the least bit intimidated and get the one-on-one attention to get me on track.

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I could not be happier being a member here. Camille is my trainer and she is awesome. I’ve met most of the other trainers and the owner and they are all the coolest people. It’s a really fun environment and my favorite thing is how it never feels crowded. I also love how they don’t just tell you what to do and move on but they explain to you what and why you are doing that particular work out. It is very encouraging. I never thought that I would look forward to going to the gym so much.

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I have been working out here for a few months and have loved it! Underground Fitness is an awesome, stress free environment. My trainer, Camille, is super knowledgeable and motivating, helps you move towards your goals but also is very considerate of limitations, previous injuries, etc. I have seen & felt such a difference already and am excited for continued progress!

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I have been working with the team at Underground since November 2017 and from the first consultation, with Scott, I knew Underground was going to be different than any other gym I have been to. A lot of gyms make the claim of offering the true support, nutrition and mentoring, that is needed to reach your goals but they all have come up short for me. 5 months, with this awesome team, and I have lost 12 lbs, 5 percent body fat, and several inches. They have helped me truly understand how to fuel my body to get the best results. I could not be happier!Now to the best trainer there is…Camille. All the trainers here are great but Camille is just amazing. She has taken the time to really understand my goals and push me to reach them. She doesn't take it easy on me and I love that. I train with her a couple of times a week and then she has a really great booty kicking boot camp on Saturdays. Aside from the great training she's also just a really great person. She's got such a great heart and she cares about all of her clients. It's not uncommon for me to get texts from her in the middle of the day telling me she is proud of me or sending me information about how to better hit my macros.If you are looking for a gym that cares about their clients Underground is for you. Come to a Saturday boot camp and check it out! You'll see why they have the rating they do.

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I have been working out here with Camille for going on 5 months now and it's been the best gym I've been to. I couldn't ask for anyone better than Camille. The trainers here truly care about you and push you to be the best that you can be. They have changed my life and it only keeps on getting better. If you want to change your life for the better and are willing to push yourself this is the best place to go. Personally I have made great strides in the short time I've been here and I can't wait to see even more progress!

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The absolute BEST personal training gym I've ever been to! Ron has an awesome/unique way of making every workout different, challenging, and a lot of fun. The results are phenomenal!

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Frequently Asked Questions

Except the peak hours, this place remains quite free or moderately crowded.

This business has a rating of 4.9-star.

This business has 80 reviews.

The address is: 9714 N 7th St, Phoenix, AZ 85020, United States .

The contact number is +1 602-910-2550

This service is listed under Personal Trainer .

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