Save This Event For Later 2017 M & M Assurance Summer Mountain Bike Series Gorham, NH, Tue Jul 11 - Tue Aug 29, 2017 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 1 Mount Washington Auto Road, Gorham, NH 03581 Presented by Great Glen Trails Outdoor Center 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 . Online Registration is closed Online registration has closed! You may still purchase single races on-site, the day of your arrival.