Downloadable software for organizing, hosting, and administering fitness challenges, competitions, and contests among users and groups of users; Downloadable software for administering fitness challenges and competitions that award prizes to participating users; Downloadable software for verifying fitness performance and results and for determining and distributing the results of fitness challenges and competitions among participants; Downloadable software in the nature of a mobile application for tracking, recording, and analyzing workouts, exercise, and physical activity; Downloadable software for monitoring, displaying, and comparing fitness data and for displaying an interactive fitness score allowing users to view, compare, and compete with other users; Downloadable software for collecting fitness and health data during exercise from wearable devices and external sensors, and for storing, reporting, uploading, and downloading that data for the purpose of monitoring health and wellness; Downloadable software for real-time and non-real-time social interaction and social networking among users in connection with fitness, exercise, and wellness; Downloadable software for social networking in the field of fitness, exercise, and wellness; Downloadable software for developing and monitoring personal exercise plans, setting training goals, and giving feedback on achieved results; Downloadable software for meal planning, nutrition tracking, and providing healthy recipes and nutritional information; Downloadable software for participating in fitness challenges, competitions, and group fitness activities; Downloadable software in the nature of a mobile application for fitness training, workout tracking, and physical activity monitoring; Downloadable software for connecting users in fitness groups and tracking collective fitness goals; Downloadable computer software using artificial intelligence (AI) for providing fitness and wellness coaching; Downloadable software for providing artificial-intelligence-based fitness and wellness coaching