Save The Event For Later Serpent's Back Mountain Bike Duathlon Montauk, NY, Sun Oct 6, 2013 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: Montauk, NY 11954 Presented by Body Tech Fitness 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 .