Save This Event For Later 29th Annual Tidewater Mountain Bike Challenge Williamsburg, VA, Sat Oct 29 - Sun Oct 30, 2016 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 5091 Riverview Rd, Williamsburg, VA 23188 Presented by York River Mechanical Contracting, Inc. 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 .