Half Marathon-by-the-Sea
Race Day Weather
Steady rain, adjust pace accordingly
Runners will face temperatures starting at 65°F and rising slightly to 66°F, accompanied by moderate rain throughout the race. With high humidity at 93%, pacing adjustments will be essential, particularly during the headwind sections from miles 8 to 12. A light wind at 9 mph will shift between directions, but overall, runners should prepare for slippery conditions and stay hydrated given the humidity.
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Race Info
Half Marathon-by-the-Sea is a USATF-certified 13.1-mile road race held each September in Manchester-by-the-Sea, Massachusetts, on the North Shore. The course starts and finishes at Manchester Essex Regional High School and runs through the town's historic downtown before passing freshwater lakes in neighboring Hamilton. The race has run in-person since at least 2014, aside from a virtual-only 2020 edition, with a field capped at 750 runners.
