Duncan Riffle's run at the US Open.<br /><br /><br />F.Y.I: The last jump is called the Red Bull Step Down. It's 5 feet tall and has a gap of about 30'. Ya.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/untitled_1.thumbnail_151.jpg" alt="US open @ Diablo, Duncan Riffle" title="US open @ Diablo, Duncan Riffle" width="150" height="90" alt="US open @ Diablo, Duncan Riffle"/>
