Underground Training Introduce
Welcome to Underground Training, a top-tier gym and wellness center located in the heart of Tenafly, New Jersey. This is not your average gym; it is an outstanding facility designed to provide personalized, results-driven training for individuals of all fitness levels. As one satisfied member noted, "Outstanding facility. All the reviews are true." We pride ourselves on creating a supportive and knowledgeable environment where clients can truly transform their health and well-being. Our approach is holistic, combining physical training with nutritional guidance to help you achieve sustainable results. Whether you are a beginner looking to start your fitness journey or a seasoned athlete aiming for new heights, our team of dedicated professionals is here to guide and motivate you every step of the way. We are passionate about helping our New Jersey community become stronger, healthier, and more confident.
Underground Training is conveniently located at 31 Prospect Terrace in Tenafly, making it easily accessible for residents throughout Bergen County. Our central location is designed to make fitting a powerful workout into your busy schedule simple and stress-free. For those who drive, our facility offers a wheelchair-accessible parking lot, ensuring a smooth and convenient arrival for all clients. We are dedicated to providing a welcoming environment from the moment you step out of your car. The gym's accessibility extends beyond just parking; we also have a wheelchair-accessible entrance and restroom, demonstrating our commitment to being an inclusive facility for everyone in the New Jersey community. The peaceful and focused atmosphere of our location allows you to leave the distractions of daily life behind and fully dedicate yourself to your training session.
Our suite of services at Underground Training is comprehensive and tailored to meet a wide range of fitness needs. We specialize in providing expert guidance through a variety of training modalities. Our services include:
Personal Training: Our certified and "knowledgeable trainers" work with clients one-on-one to create customized fitness plans. This highly personalized approach ensures that your program is perfectly aligned with your goals, whether they involve weight loss, muscle gain, or improved athletic performance. One member shared, "I lost 4% of my weight and 3.69% body fat in 8 weeks and feel great," a testament to the effectiveness of our personal training.
Group Classes: We offer a variety of group classes that provide a dynamic and motivating workout environment. From high-intensity training to specialized sessions, our classes are designed to be fun, challenging, and effective. This is a great way to stay motivated and connect with a supportive fitness community.
Kickboxing: Our kickboxing classes are a fantastic way to improve cardiovascular health, build strength, and learn self-defense. These high-energy sessions are led by expert instructors and are suitable for all levels.
Aerobics: Our aerobics classes provide a great cardio workout in a fun and engaging group setting. These sessions are perfect for boosting your endurance and burning calories while enjoying a great sense of camaraderie.
Nutritional Counseling: We understand that fitness is about more than just working out. Our nutritional consulting services provide you with the knowledge and support you need to make smart dietary choices that complement your training and help you achieve lasting results. This integrated approach to wellness sets us apart.
Youth Classes: We offer specialized youth classes designed to help young people develop a love for fitness in a safe and structured environment. These classes focus on fundamental movements, agility, and overall health in an age-appropriate manner.
Private Lessons: For those who seek a more exclusive training experience, our private lessons offer a dedicated session with a trainer focused entirely on your specific needs and goals. This is ideal for mastering new techniques or working through a specific fitness challenge.
Resistance Training: This fundamental component of our programming is focused on building strength, muscle mass, and bone density. Our trainers expertly guide you through a variety of resistance exercises using cutting-edge equipment and techniques.
Our facility is thoughtfully designed to be both functional and welcoming. We prioritize creating an environment where every client can feel comfortable and confident. Our key features and highlights include:
Expert and Cordial Staff: Our trainers and staff are described as "really cordial" and "knowledgeable." They are passionate about helping clients succeed and are dedicated to providing top-notch instruction and support.
Onsite and Outdoor Services: We offer both onsite and outdoor training options, providing a dynamic and varied workout experience. This flexibility allows you to enjoy fresh air and new scenery while staying on track with your fitness goals.
Accessible and Inclusive Environment: As a "judgement free" zone, our facility is designed to welcome everyone. Our wheelchair-accessible entrance, parking lot, and restroom are a testament to our commitment to inclusivity. We strive to be a space where "all level clients from beginners to hardcore" feel at home.
Supportive Community: Our gym has been praised as having a "better and more supportive gym environment" than others. We foster a community atmosphere where clients and trainers support each other, making the fitness journey more enjoyable and motivating.
Convenient Payment Options: We accept both credit cards and debit cards, making it easy to handle transactions and focus on your workout.
For more information or to schedule a consultation, please do not hesitate to contact us. We are ready to help you start your journey toward a healthier and stronger you.
Contact Information:
Address: 31 Prospect Terrace, Tenafly, NJ 07670, USA
Phone: (201) 266-6667
Mobile Phone: +1 201-266-6667
What is worth choosing Underground Training? The decision to join our gym is a choice to prioritize results and personalized attention. In an industry often dominated by large, impersonal facilities, we stand out by offering a focused and highly effective training experience. Our "knowledgeable trainers" are what truly set us apart. They are experts at crafting programs that deliver tangible results, as evidenced by a member who proudly stated their significant weight and body fat loss. This is not just a gym with equipment; it is a coaching facility where you are given the tools, guidance, and support needed to succeed.
The variety of our services is another key reason to choose us. With options ranging from one-on-one personal training to engaging group classes, you can find the perfect format to keep your workouts fresh and exciting. Our specialty programs, such as kickboxing and nutritional consulting, provide a comprehensive approach to health that goes beyond traditional exercise. We also cater to a diverse clientele, from youth to adults, ensuring that everyone in the family can find a program that fits their needs. The fact that we offer both onsite and outdoor services adds another layer of flexibility and variety to your routine.
Ultimately, choosing Underground Training is choosing a community that cares about your success. The supportive environment and "cordial staff" make every visit a positive experience. As one review put it, "Jimmy is excellent," a sentiment that speaks to the quality of our trainers and the personal connections they build with clients. We believe that true strength comes from both physical and mental well-being, and our gym is dedicated to fostering both. We invite you to experience the difference for yourself and become a part of our thriving fitness community in New Jersey.
Underground Training Services
Gym
- Aerobics
- Kickboxing
- Nutrition consulting
- Personal training
- Private lessons
- Youth classes
- Group Classes
- Nutritional Counseling
- Resistance Training
Underground Training Details
Service options
- Outdoor services
- Onsite services
Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
- Wheelchair accessible restroom
Amenities
- Restroom
Payments
- Credit cards
- Debit cards
Underground Training Photos










Underground Training Location
Underground Training
31 Prospect Terrace, Tenafly, NJ 07670, USA
Underground Training Reviews
trainers
★ 5★ 4★ 3★ 2★ 1Outstanding facility. All the reviews are true. Really cordial staff. Knowledgeable trainers for all level clients from beginners to hardcore. Updating review to state I lost 4% of my weight and 3.69% body fat in 8 weeks and feel great.
March 23 · dan sGreat gym, Jimmy is excellent.
August 13 · Payam NiliIncredibly knowledgeable trainers. I have known and worked out with MB since he started in his garage about 5 years ago. This guy has just the right amount of crazy and fun to make you enjoy your workout and feel that you're making progress every time.
March 21 · Phil LombardoCan’t find a better and more supportive gym environment than Underground Training. Gerard, MB, Ernest and all the guys are elite trainers.
October 22 · Sam RifkinWhile I haven't used this place I park outside of it when picking up my son from school. Whenever I interact with the staff or patrons everyone is super cool and most are pretty jacked, so they're doing something right
March 18 · scott yarmula
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