Like sports, cycling?
ShareRoute allows you to record your routes, share them via e-mail with your friends.
Are you an driving Instructor?
ShareRoute allows you to record the routes of your students to review later and improve their performance.
Want to post your tracks online? ShareRoute to publish your routes in different online services. Moodle is currently available, many more will be soon.
Continued use of GPS running in the background can dramatically decrease battery life.