Platinman is an extreme trail run located in Hennef, Germany. This app enables you to let people track online and real time your location while the race. After the race you can download your collected information for analyzing your run.
The app requires your starting number and a password that will be announced on the day of the race to avoid illegal use of this app.
Note: This app will constantly use your internet connection of your mobile and GPS as well. This may reduce the capacity of your battery and may cause costs of your internet provider.