Pro wake boarders Brian Grubb, Parks Bonifay, J.D. Webb and Adam Errington take their sport to National Harbor on the Potomac river in Washington DC.<br /><br /><br />www.redbullusa.com/nationalwake<br /><br /><br /><img src="http://ll.broadbandsports.com/images/37122_thumb.jpg" alt="Wakeboarding the Potomac River - Red Bull National Wake 2010" title="Wakeboarding the Potomac River - Red Bull National Wake 2010" width="150" height="90" alt="Wakeboarding the Potomac River - Red Bull National Wake 2010"/>
