I cannot say enough amazing things about Lindsey and Underground Fitness as a whole. She has…read morecreated an environment that is welcoming, uplifting, and incredibly supportive. Shes built such a positive culture where people cheer each other on, celebrate wins (big and small), and genuinely want to see each other succeed. It feels like a community, not just a gym. Working with her has been one of the best decisions I've ever made for myself. She has pushed me in ways I didn't know I needed, but always with compassion, encouragement, and deep understanding. She pays attention to form, mindset, and personal goals. My confidence has grown so much over the past year. I feel stronger, more capable and doubt myself far less then I did before in many ways. If you're looking for a trainer who truly cares, knows her stuff, and a gym that feels fun and motivating then you found it. Highly, highly recommend!

I don't even know where to begin with Lindsey and her amazing gym. Lindsey has established a truly…read moresupportive, kind and encouraging environment. She will push you harder than you have ever been pushed and she believes in you even when you don't believe in yourself. If you are looking for a personal trainer, I cannot recommend her enough. Whether you have been working out for years or you are new, she welcomes all with open arms. She focuses on each individuals goals and caters your training with your specific goal in mind. I began in July and Lindsey and the community in this gym have truly changed my life and pushed me to be more confident in my skin, believe in myself more and have taught me that I am so much stronger and capable than I think I am. She creates long lasting healthy habits that are realistic. She truly cares so much about the people that enter her gym and you become apart of the Underground Fitness family. I'm so happy I found this community. I couldn't recommend a better gym to start your personal training journey!!!

January 1, 2026. Heated Vinyasa Flow with Dafna at 10am was a very enjoyable class. She surprised…read moreus with unexpected details. She has a great attitude and wants everyone in the class to be comfortable. I will definitely be in your class again.

I absolutely love YogaXSpin. Yoga has really grown on me, and I now go 2 to 3 times a week. Dafna…read moreis an incredible instructor. Her Sunday class is the perfect reset and a great way to start and end the week. The spin classes are high energy and seriously challenging. If you are looking for the perfect Sunday workout combo, I highly recommend taking the Spin and Run class and immediately following it with Dafna's Hot Power Fusion. The balance of intensity and flow is unbeatable. Highly recommend if you are looking for a motivating, well rounded workout.

2019 update. Jo-Anna is teaching now at the YMCA, and her classes are outstanding. Not only will…read moreyou get an excellent aerobic workout, you will improve your coordination and give your brain a good workout It is challenging and fun. She always gives alternative moves so the beginner won't be blown away.

I've been doing Step Aerobics for 20 years and I have to say that Jo-Anna's Step classes at 24 Hour…read moreFitness are the best that I've ever done. Her choreography is unparalleled - it is challenging but extremely fun! You're not likely to get the combo's down on the first try, but that's what keeps the classes exciting and interesting. I'll admit that sometimes I consider going to the gym a "chore", but not on the days that I do Jo-Anna's Step classes - these days I look forward to working out!

I've been taking Pilates and Lagree for years, and when I say Wendy is the best of the best, I…read moretruly mean it. A lot of studios won't correct your form and just let you move however you feel like even if it's wrong. If that's what you're looking for, her classes probably aren't for you. But if you want to be pushed, encouraged, and actually make sure you're doing everything correctly and safely this is it. Wendy is incredibly attentive. She remembers every client, their specific needs, injuries, and goals, and she'll adjust and correct you in real time to make sure you're getting the most out of each movement. I'm so happy to have her in La Mesa and I've been telling everyone that will listen how amazing she is.

My friend & I took our first ever Pilates class with Evelyn, and we loved it!! She was so sweet,…read morecorrected us when needed, and overall the environment was 10/10.

Working out with Bootique has been such a fun way for me to exercise and learn some awesome dance…read moremoves along the way. The class goes by so quick because I'm having fun and I always feel great after the workout. Highly recommend!

Exercise doesn't get better than this class. In April I will celebrate my four year dance party…read moreanniversary. I go to three out of the four days class is offered. If you love to dance but are too tired to go clubing this is your solution. We have a great time the other woman are fun to be around and nobody cares if you make a mistake. We dance hard and sweat a lot and we and always have fun. There have been days when I have been in horrible mood by the time I leave class I'm all smiles. Come play with us you won't regret it we also go to breakfast a lot on the weekends to immediately undo all the calories we just burned off..

Get ready to Zumba!…read more I took the new Zumba class there with one of my friends. We had a great time and a kick-butt workout! Renee the instructor is fun, friendly, and works great with beginners like me, as well as people who have done Zumba before. They are offering great specials now for classes - so it's a great deal, too.

The Plan-B Fitness Kettlebell class is EXTREMELY recommended…read more In my 39+ years , I have gone to 1 personal training session at a gym (which left me HATING gyms) . I suffer from "graphic designer's" core (aka a weak core) I needed something to ease me into this fitness thing. Well let us just say it's not easy but it was EXACTLY what I needed. In the past 5 months Karyn's kettlebell class not only toned me but has improved my posture, stamina, coordination, flexibility and my lower back pain is nearly gone. Thanks Karyn

As a newbie to pilates, I did not know anything about it except the equipment looked fun. After…read moreabout 14 classes all was going well, and then I took a class with the instructor, Lucy Fox, everything changed! Her style was different from the other classes I had taken. She teaches classical, and I really enjoy learning this style. Lucy is a hands-on instructor. She takes the time to explain and make sure you are aware of your body position. I follow her wherever she is teaching and even increased the number of classes I take because she's that GREAT!! I have a lot to learn, but I know Lucy is teaching me the proper way so my foundation will be strong. The process is incredibly enjoyable, and I truly look forward to each class. Thank you, Lucy! Your passion is contagious!

Bianca is AMAZING! I love going to her classes! I've done Pilates for 8 years off and on now but…read moreevery class I go to with Bianca she is always challenges my body in new ways, which I love! She is very knowledgeable about the human body and is conscious of people with injuries and helps modify. She teaches me new way to tone and sculpt to help whip me in shape before my wedding. I went from a New Mom completely out of shape and now after working with her I have a body that I can be proud of! I even got some ab definition! I highly recommend Bianca as a trainer, she will shave off the pounds and tone you just in time for bathing suit season! I'm so happy I met her! She has a huge heart and loves helping others.

Such a fun class for kids! Our son loved Miss Katie P, and we love that she offers multiple classes…read moreand locations. she even accepts charter funds which is great for San Diego homeschool families. thank you KTP!

We love coach Katie! Highly recommend her for my toddler and older child. She has created a fun and…read moreunique experience for all the ages.