DC's TOP HIIT & HYROX TRAINING GYM! Located between U Street and Columbia Heights on 14th Street, Elevate Interval Fitness offers the most well-rounded fitness program in the District. Whether you're training for a race, to build strength, or just to look and feel good, we've got you covered. Whatever your goal, we have a path to get you there. Choose from: - HIIT & Run - Functional HIIT - Break|Through Strength - Break|Through Endurance Get strong, get fast, get lean. And have fun while you do it.