Hill climbers who lose it on the upper reaches of the course often tumble hundreds of feet back downhill.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/18609_motorsports_snowmobile_hill_climb.mov.jpg" alt="Snowmobile hill climb" title="Snowmobile hill climb" width="150" height="90" alt="Snowmobile hill climb"/>