Great Workout in Just 45 Minutes! Ready to get started on your fitness journey or just looking for a new gym to call home? Braintree’s new state of the art fitness facility is soon to be your new place for fitness. With an anticipated opening of Summer 2018, we are thrilled you are interested in learning more about our awesome company. HIITCore FITNESS® is comprised of a team of industry experts in Group Training, Nutrition, CrossFit®, Weightlifting, and Personal Training. Whether looking to increase general fitness capacity or specialize in Olympic weightlifting, traditional strength training, or gymnastics, the highly knowledgeable coaches at HIITCore are dedicated to helping every individual reach their goals. Group classes are offered daily and accommodate 12 individuals per class. Need more, choose from small group training or private training, perfect for individuals who want personalized programming or want to learn highly technical movements. You’ll get personalized expert instruction on any functional movements, such as double-unders, medicine ball wall shots, proper rowing form, Olympic lifts, and gymnastics movements like pull-ups, toes to bar, muscle-ups and handstand push-ups.