Save This Event For Later Falmouth Flag Day 5K Falmouth, MA, Sun Jun 10, 2018 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 263 Grand Ave, Falmouth, MA 02540 Presented by Falmouth Flag Day 5K and SEMCSports 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 .