Providing indoor sports, fitness, and exercise training facilities in the nature of athletic centers; providing gymnasiums; gymnasium services; providing sports, fitness, and exercise facilities for indoor endurance training; providing athletic facilities and equipment for indoor exercise and training, namely, providing instruction, equipment, and facilities; providing indoor sports, fitness, and exercise training facilities for triathlon, running, swimming, and cycling; providing courses or seminars in the nature of nutrition, strength training, speed training, endurance training, conditioning, triathlon strategies, and endurance sport strategies; athletic training services, namely, strength training, speed training, endurance training, and conditioning