Abstract: The invention provides a personal training system that delivers the benefits of personal training while overcoming the drawbacks cited above. The invention enables at least one trainee and at least one trainer to interact at mutually convenient times, and in a way that preserves the personal component of the training interaction. In that manner, the invention makes it possible for a trainer to deliver personal, interactive communication, personal support and timely motivation to a trainee. Thus the invention preserves the components of personal training that characterize successful personal training regimens, without imposing the inconveniences, expense and other drawbacks associated with on-site personal training approaches.