Downloadable computer application software for mobile phones, namely, software for monitoring, displaying, viewing, analyzing, and comparing heart rate data, power output and other fitness factors, and to display a computerized, interactive fitness score to permit users to view, analyze, and compare heart rate data and to compete with other users; downloadable software sold as an integral component of gps tracking devices to track, view, analyze, and compare heart rate data and for storing, reporting, monitoring, uploading downloading and communicating fitness training and activity for the purpose of tracking and monitoring health and wellness; downloadable mobile application software for data collection during exercise, namely, data collected from external sensors, downloadable software for recording and storing data collected, downloadable software to view, analyze, and compare heart rate data; downloadable software for real time and non-real time social interaction, for networking and to view, analyze, and compare heart rate data; downloadable software in the nature of an application for use by individuals participating in exercise classes, physical training, and exercise instruction for detecting, storing and reporting daily human energy expenditure and physical activity level, for developing and monitoring personal activity and exercise plans, training goals and giving feedback on the achieved results; downloadable mobile application for tracking workouts and fitness activities.