Softrace This fitness app uses a full fledged outdoor sports tracker with many different options. Some key features are: Race against yourself or other users, monitor speed, distance, altitude etc, track your run with Google Maps, build and share real world race tracks on your phone, built-in workout diarym, a wide range of statistics, imperial and metric units, background modes (use other apps while racing), color code your tracks, track filtering for optimal storage and lastly roaming mode (use Softrace while traveling)