In this project you should model all the information managed by a Fitness App.
With this app users can search for nearby running routes or share their favorite routes.
Map My Fitness saves data on pace, distance, and calories burned for GPS-based workouts; you can use this data to set new personal goals.
Through the Map My Fitness community, users can join challenges as well as motivate friends.
See https://www.pcmag.com/article2/0,2817,2485287,00.asp