Track your sport in real time and challenge your friends using the built-in GPS! Use your mobile as a free personal trainer and social fitness partner! Endomondo makes sports more fun and is ideal for running, cycling, walking etc: Real time GPS tracking of time, distance, speed & calories. Audio feedback for every mile or km. Real time peptalks from friends following you live. Workout route on a map. History with lap times & music playlist. Sharing of workouts on Facebook.