Save The Event For Later MASS 2013 Series Registration West Chester, PA, Sat Mar 16 - Fri Jul 5, 2013 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: West Chester, PA 19342 Presented by Mid Atlantic Racing 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 .