Save This Event For Later Grafton Rocks! MTB Festival Grafton, NY, Sat Jun 11, 2016 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 100 Grafton Lakes State Park Way, Grafton, NY 12052, Grafton, NY 12052 Presented by Saratoga Mtn Bike Assn. 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 .