Abstract: A system for training an athlete during a training period includes a digital system that is programmed to: receive a plurality of inputs regarding a current state of the athlete and a training goal for the athlete; employ an expert system to generate a training prescription for the athlete; and generate a plurality of control outputs that correspond to the listing of training activities. An exercise apparatus includes at least one activity device that is configured to: facilitate the athlete performing a predetermined exercise; receive the control output from the digital system and to adjust an exercise parameter so as to correspond to the training parameter indicated by the control output; and generate an electronic result output indicative of use by the athlete of the activity device wherein the result output is transmitted to the digital system.