A set of Apis from mapmyfitness.com now Under Armour Connected Fitness Developer API.
The Under Armour Connected Fitness API, previously MapMyFitness API, provides a comprehensive fitness platform for millions of users. It makes building the application easier and provides users access to all of their MapMyFitness workouts, routes, courses, achievements etc on various platforms. It is open source and free to use while being enterprise ready. MapMyFitness is trying to create a network using these Apis that can connect all the fitness activities of its users.