Running, hiking or biking, no matter what is your favorite sport you could enjoy and share your activities with your friends online, in real time. When you stumble upon something interesting during your run, you could create Point Of Interests, add description and pictures, and share them right away. Your friends could cheer you up and you dont need to interrupt your exercise to read the message since the app will read it for you. Never get lost with the pre-plan feature. Create route online and then load it in the app and follow it. Explore other people runs and make pre-planned runs from them and many more.
Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life.