Founded in 2016 as an in-home and online personal training company, Justin was just training clients using body weight, kettlebells and whatever equipment his client had available. He built a solid and loyal following, then opened Steadfast Training Systems facility in 2017. Now with room to expand and utilize more of his strength and conditioning background, Justin, with the help and support of family and other amazing coaches has built up Steadfast Training Systems to train the general population the way he felt was right. His unconventional methods are helping people get seriously strong, powerful, fit and injury free throughout Manassas and Northern Virginia.


Steadfast Training Systems, LLC  (STS) offers the most comprehensive performance enhancement training, reconditioning and personal training in the Northern Virginia. STS's results- driven approach covers every aspect necessary to achieve your goals, whether they involve sports performance, weight loss, or a healthier lifestyle. Time and effort spent training at STS will translate into peak performance in any athlete's respective sport. If you are looking to lose weight or need a jumpstart to getting back in shape, our Coaches will provide the knowledge and the means to help you become fit and stay that way. For athletes recovering from an injury or surgery, we offer a wealth of knowledge and training experience with our look these up STS Coaches, and our In-House learn this here now Massage Therapist.



Steadfast Training Systems, LLC (STS)  exists to motivate, educate, and inspire people to reach optimal levels of performance and balance in life and in their sport. Our expert and passionate team is driven to transform lives by empowering people to reach their full potential.

We achieve this through personal training, and strength & conditioning. we support, motivate, and hold you accountable. Our comprehensive approach to strength and conditioning in an environment that fosters a positive energy and friendly spirit empowers you to reach a heightened state of physical and mental balance.

At STS, we like to consider ourselves transformers. We change people’s lives through fitness by… changing the way you think and move. We provide leadership through our training, giving you the confidence to push yourself to the next level. Our team creates a fun, high energetic and challenging environment, that will motivate you to be the best version of yourself inside the gym and in life.


Personlized, Tailored Service

We have custom made workouts specific to YOUR goals, YOUR body type and YOUR life!

The Latest & Greatest Workouts

We use Innovative workouts that have been proven by science to make you lose fat and get toned as FAST and as SAFELY as possible.

Accountability & Coaching

We hold you accountable. At Steadfast Training Systems, you have the unique opportunity to join a team… you won’t just have a coach, you’ll have 3 coaches and dozens of teammates, all equally supporting you and pushing you!

Schedule Your Free Consult Today!