Helmet camera ride of the European mountain bike downhill champion Nick Beer and his team mate Fabien Pedemanaud at the mountainbike downhill weltcup finale 2009 in Schladming. You can see the problems with the different lighting conditions betweend bright sun light and the dark wood.

Source: Freecaster.tv

Helmet camera video of the start and the first seven turns at the 24 hours downhill race in Semmering, Austria in August 2008. The original sound has been used.

Source: Vimeo, YouTube

Camera details: DogCam Pro 550/580 Sony HQ1