Biking down the Klein Allalin summit in Switzerland for the Glacier Bike Downhill 2012 is rider Andreas Tschanz with a helmet camera. For 10 exhilarating minutes, watch as Tschanz rides an average of 42 mph (68 kmph) with a top speed of 77.6 mph (124.9 kmph). In the end, Tschanz took 10th place out of 139 racers.

httpv://youtu.be/0I5WXkbOzSA

Image from Christiane Schmaltz, Here come da judge on flickr