UFC GYM | 38,100 followers on LinkedIn. UFC GYM is the global leader in MMA-inspired fitness. | UFC GYM is the global leader in MMA-inspired fitness. Train Different in 150 locations around the world. Rooted in authenticity, UFC GYM is an extension of the Ultimate Fighting Championship® and proud to make the training programs and benefits of elite MMA athletes accessible to all, regardless of age or athletic ability.