As part of the 29th Annual Mighty Hamptons Triathlon, Southampton Town Police warned that traffic delays should be expected on Sunday, September 12 in Sag Harbor, Noyac, North Sea, Water Mill, Bridgehampton and North Haven. from 6 to 11 a.m. The race will start at Long Beach in Sag Harbor. A large number of people are expected to attend, said police. Motorists are urged to take caution while driving during this time or to avoid the area if possible.