About US

Our mission is to provide individuals with customized training, education, and a sense of community that supports them in achieving their fitness goals. We provide dedicated space, comprehensive guidance and hire knowledgeable personal trainers to inspire, uplift, and enlighten our clients, no matter where they are located. We have locations in Sterling and Fairfax and both locations have schedules that accommodate your work schedule.  We are confident that our level of service and the value that we provide to all who train with us can’t be matched.

Our Vision

We believe that everyone has an inner athlete, and that’s what we will help you train. We will lead you through athletic training to a new you. The new you will be strong, agile, coordinated, focused, powerful, conditioned, flexible, and, most importantly, injury free. Train like your future depends on it because it does. A strong foundation is integral to leading a healthy and productive life.

The training at the Underground Athlete gym in Sterling or Fairfax is directed. Members work with college educated and certified personal trainers as well as strength and conditioning coaches at all times. Every member goes through our assessment process in order for our personal trainers to designed programs to suit individual needs and accelerate progress.


Underground Athlete Group FIRE Training is the most effective way to melt fat and tone up fast while training with your peers. This fun and supportive group training program is available for all fitness levels.

Get 3

FIRE Workout Sessions
  • FREE 7-day Jumpstart Fat Loss Meal Plan
  • Plus FREE Secret to Abs Report
  • VALUED $197 ONLY $97
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Call (571) 418-7050 or drop in today!


Fairfax Location
3150 Spring St (lower level)
Fairfax, VA 22031
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