Show your position live during a race on a map!
Application needs account registered in http://www.mazoviamtb.pl/index.php?doc=rejestracja. More information on the website (Polish).
This is a minimalistic version of Cyclometer. It does not have any additional features, so it needs minimal amount of energy to run. The only thing it does is sending your position.
Continued use of GPS running in the background can dramatically decrease battery life.