48 customer reviews
Emilee Merritt
I would HIGHLY recommend Underground to anyone looking to join a fitness community. Great for beginners and pros!
Reviewed on Facebook
Jennifer Hay Helton
I love everything about going here. The instructors are so helpful, give excellent variation on workouts for all levels, and always push us in class! The environment is friendly (that’s super important) and even after being gone for quite some time, I remembered immediately why I loved coming so much. Feels good to be home again! Ready to push myself into the upcoming new year! More...
Reviewed on Facebook
Chelsey Jenkins
This is your place for achieving goals, pushing yourself, learning new ways to enjoy food while also developing friendships with the best people. Positive and uplifting environment. I have been here for years...this is for all levels and all goals ❤️ More...
Reviewed on Facebook
Rachel Rollston
UF has a large variety of classes, from yoga to cardio and strength. One of my favorites is Pound! The instructors are all very knowledgeable and welcoming, and demonstrate various modifications throughout class. The fitness challenges are fun and exciting! If you've not tried UF, go try it! More...
Reviewed on Google Maps
Elizabeth Balluff
Great classes and amazing instructors! Encouraging environment!
Reviewed on Google Maps
Laura Thomas
If you are looking for an AMAZING, encouraging, supportive environment to come workout and make some amazing friends. Look no further. Every single instructor is so caring and encouraging and every single class is modifiable for all ages and fitness levels. My husband even loves coming to class with me! So fellas you can come get a great workout too! More...
Reviewed on Google Maps
Nostalgic Nook
Absolutely fantastic! I love the diversity of the classes and how nice everyone is. This is a great spot for beginners and pros, the workouts have modifications to suit anyone. The price point is highly competitive as well, I like the option to buy classes as you go and not be forced into a contract. More...
Reviewed on Google Maps
Elizabeth Brunswick
Love working out here. They have a variety of classes for all skill levels and it feels like family when you walk in the door. Whether it’s your first til or hour 500th you will never want to leave. The weight loss challenges and facebook challenges are great motivation for doing a little more and of course the fabulous Holiday Party wraps up the year right!!! More...
Reviewed on Google Maps
Rebekah Harris-Hughes
Challenging and welcoming! UF offers a great variety of classes with class times to accommodate any schedule (HELLO 5:30 am)! Everyone is extremely friendly and encouraging. The classes are challenging, and accommodations are offered to suite any fitness level. I look forward to continuing my fitness journey with UF. More...
Reviewed on Facebook
Carla Campbell Dunn
Love the variety of classes! Love the instructors! Love the results! Love the sweating! Hate the burpees ❤️
Reviewed on Facebook
Jill Lewis
Underground Fitness is the best fitness facility I have ever been a member of. The owners and instructors are encouraging, positive, and truly love and care for their clients. The members are just as encouraging and it is an overall positive and uplifting environment! More...
Reviewed on Google Maps
Meredith Craig Berry
This gym/studio is a family type atmosphere. Come as you are! Work out to your level and have fun while doing it! I have enjoyed teaching here for 2 years and also taking other classes to push me as well!
Reviewed on Facebook
Melanie Kathryn
Greatest gym, greatest workouts, greatest women. Love love love!
Reviewed on Facebook
Arissa Cupp
Underground Fitness is a welcoming environment for ALL fitness levels. The instructors are encouraging and cater to your fitness needs with modifications to advanced moves. They offer a huge variety of classes including HIIT, strength, cardio, Pilates and yoga at multiple time slots. This is the best fitness studio I’ve ever been to and the prices are beyond reasonable for the services you receive. More...
Reviewed on Google Maps
Jill Isner
Never in my life have I enjoyed exercise until I tried UF. The staff and members make you feel so welcome. I don’t feel out of place or that anyone is judging me. I just have fun while working out. The classes are absolutely amazing and I always feel like I got my butt kicked from every class. I love UF and would recommend it to anyone. No matter the age, or how active you are. Lots of modifications too! More...
Reviewed on Google Maps
Jennifer Owen
Supportive environment with fantastic instructors and consistent classes. Fun workouts for any level. Encouraging classmates and positive atmosphere! Highly recommend for group fitness, small groups, personal training, childcare, and birthday parties! More...
Reviewed on Google Maps
Laura Cusick
Amazing facility! The staff is so friendly and helpful! They make exercising fun and enjoyable. I look forward to spending time there each day. I’ve never been to a gym that is so accommodating and encouraging. Amanda and Jessica are a shining example of what a fitness family should be! I especially love what’s written on the wall as you enter the studio...”There are no strangers here- just friends you haven’t met yet!” This exemplifies exactly how they run their business. More...
Reviewed on Google Maps
Heather Miller
Underground Fitness is wonderful. The staff are encouraging and informational. Group fitness classes keeps exercising fun with different classes every day. I push myself more in class than I would on my own. Thanks Amanda and Jessica! More...
Reviewed on Google Maps
Jennifer Bogni
Underground Fitness is the best place to go get in shape! I have been going there for almost a year now and continue to be challenged in every class. The instructors are encouraging and very focused on making sure you are getting the most out of each class and always provide multiple levels at which you can participate. I love going to every class and love the Underground Tribe! More...
Reviewed on Google Maps
Jennifer Harrah
Underground Fitness is an excellent option for all levels. No matter where you are at in your fitness journey, a novice or expert, Underground can help you meet your fitness goals. They offer a variety of classes. There is also nutrition support. If you are ready to become a healthier you, Underground Fitness is for you! More...
Reviewed on Google Maps
N Kirkland
UF is the most welcoming and encouraging gym I’ve ever been a part of. The instructors truly care about each participant. I highly recommend everyone give Underground Fitness a shot.
Reviewed on Google Maps
Jennifer Younce Harrah
I absolutely love the staff and atmosphere at Underground Fitness. The workouts can be adapted for all levels. They offer expert nutrition advice as well. If you are looking for a place where your overall health will be made a priority, this is the place for you! More...
Reviewed on Facebook
Kimberly Johnson Norris
Great group of ladies and great classes!
Reviewed on Facebook
Tracy Kilgore Addington
I hate exercising, but I love Underground Fitness! I never thought I’d ever look forward to getting up EARLY to work out at 5:30 am, but this place is great. Love all the ladies (and sometime gents) who come and give their all. It’s tough, but worth it. Thanks ladies of UF!! More...
Reviewed on Facebook
Jill Isner
This is the first time in my life(59) that I have ever felt motivated to exercise. Such a fun class. I don’t feel judged because I’m not as good as the others. All the trainers are so accommodating and so are the classmates as well ❤️ More...
Reviewed on Facebook
Pennie DiMartino
Hey meet me at 5:30 am M-F!! You'll be surprised how many people are up and waiting for you . . . great workouts, great atmosphere!!
Reviewed on Facebook
Rebekah Weaver
I love this place!! Excellent workouts with lots of variety, great instructors and everyone you meet is super nice and supportive.
Reviewed on Facebook
Andrea Hensley
UF feels more like a family than your normal gym. Everyone is working to support each other through their workouts and life. Instructors are amazing with a variety of class time.I def recommend the gym to anyone- all levels are welcome! More...
Reviewed on Facebook
Laura Bethea
I love the classes and Jessica Thomas she is the best I have taken her class at a gym I use to go to at one time she taught barre class and I loved it. I have done boot camp and bar class at underground fitness look forward to taking more classes and meeting new instructors at the underground fitness. thank you, Jessica, for the extra challenge I need sometimes and helping me through it. More...
Reviewed on Facebook
Laine Baggett Ball
The best gym I have been to! The instructors are friendly and always encouraging, truly a great group of girls to work out with! UF offers a variety of classes for everyone! More...
Reviewed on Facebook
Kirstie Lawhern Bolton
I've only been working out at UF a little over a week but I absolutely love it! Everyone at UF has made me feel very welcome, have been very encouraging, & keep me wanting to come back for more. If you're looking for a wonderful environment full of strong, caring ladies to work out with UF is your place! ❤️❤️❤️❤️❤️ More...
Reviewed on Facebook
Beth Stevens Kelley
Love UF! Great instructors, challenging and fun workouts with a great variety. Positive energy and encouragement. If you have not checked this place out, I encourage you to do so. You won't regret it. Love you all
Reviewed on Facebook
Tippi Oshoniyi
Great classes! Professional, positive, motivating and friendly instructors! Love this place!!!
Reviewed on Facebook
Allison Broyles Jones
You won't find a better variety of classes (and class times) anywhere! And the instructors are AMAZING!!!
Reviewed on Facebook
Sarah Powers Parker
The instructors at Underground always smile, say "hi", and make you feel wanted as part of the fitness class. They make your work out feel worth the effort, all while burning calories. Totally love Underground Fitness and all the instuctors. More...
Reviewed on Facebook
Rebecca Murray
Awesome place to work out! The instructors are so encouraging and make every workout enjoyable.
Reviewed on Facebook
Chelsey Jenkins
Great atmosphere! Wonderful instructors! Positive and encouraging! Classes for all levels and they always push you to be the best!
Reviewed on Facebook
Arissa Cupp
The instructors are so encouraging and kind. I love the positive environment and the workouts will leave you feeling like you have pushed yourself past the limit.
Reviewed on Facebook
Beth Stevenson
Such a wonderful, positive, encouraging studio with great classes and instructors! Amanda and Jessica are so welcoming and you will have fun while getting a great workout!
Reviewed on Facebook
Nicole King
Love the classes & the ladies at Underground!! The classes are fun & effective! ���
Reviewed on Facebook
Erin Pudlowski Horton
What a great place to work out! These ladies do not disappoint. This is a facility where you are welcomed, encouraged, and the clients needs are put first! Love Underground Fitness!!
Reviewed on Facebook
Kara Lisle Battel
Grateful for these ladies who listen to requests, accept the challenge of finding new ways to CHALLENGE us, and encourage everyone throughout their own personal journey to better health and happiness.
Reviewed on Facebook
Nicole Bullington
Just started , But I'm so glad I did... I had missed Piloxing and Barre .... Come join this wonderful group of ladies
Reviewed on Facebook
Ashleigh Brooks
The best place to get a workout when I come in town!! the classes are fun, you get a great workout and Amanda and Jessica are amazing! ! They're always welcoming too!! So if you're ever visiting Johnson City on business or pleasure and you're looking for a great place to workout and get your sweat on hit Underground Fitness for sure!! More...
Reviewed on Facebook
Heather Eberly-Levesque
Underground fitness has made such a positive impact on my life! The instructors are encouraging and push me during every workout! I have not only gained wonderful coaching and training at underground but also great friendship and a support network! More...
Reviewed on Facebook
Kimberly Jones
If you're looking for a place to workout this is it! Amanda and Jessica are so supportive and encouraging. It doesn't matter what your fitness level is you will not feel behind or left out. Such a great atmosphere with the other classmates also! Come join us for a great time. You will be sore but you won't be sorry. � More...
Reviewed on Facebook
Sara McConnell Hodges
Love working out with Amanda and Jessica! It's such a fun and encouraging environment!
Reviewed on Facebook
Deborah Love
You are welcomed with a hug and smile and words of encouragement. Amazing workouts surrounded by friendly and encouraging people.
Reviewed on Facebook