Half Marathon-by-the-Sea
Race Day Weather
Mild temps, adjust for wind shifts
Runners will face mild temperatures of 64°F at the start and 65°F by finish. With a max wind of 13 mph from the NNE, expect tailwinds in Mile 1, transitioning to headwinds in Miles 6 and 13-14. Given the high humidity at 78%, pacing adjustments are recommended, especially during tougher segments where headwinds will impact performance.
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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.