Save This Event For Later 2018 Green Prix Trail Series Northampton, MA, Sat Jun 9 - Tue Jul 24, 2018 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: Northampton, MA 01060 Presented by Sugarloaf Mountain Athletic Club This is a past event. If you wish to see the details for this event click, "Continue" below. If you are looking for a current event, please search the event calendar . Online Registration is closed Please contact the event director for additional information.