In our Speed & Agility Training sessions at United Fitness, we apply running mechanics for first step and movement power, which are needed in all sports. With over 15,000 square-feet, our indoor fitness center, close to Nokesville, Virginia, is equipped with state of the art equipment and multiple fitness amenities to CREATE THE BEST U! Our certified trainers are top-notch and our gym is one of the best in Prince William County and Northern Virginia.