Save This Event For Later Root 66 - Millstone Grind XC Mountain Bike Race & MTB Marathon Websterville, VT, Sun Aug 18, 2013 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: Websterville, VT 05678 Presented by Paine Mountain Productions USA Cycling Permit # 2013-2393 This is a past event. If you wish to see the details for this past event click "Continue" below. If you are looking for a current event, please search the event calendar .