Harborside Half Marathon
Race Day Weather
Cool conditions, strategic pacing required
Runners will face a temperature range from 46°F to 50°F with a consistent average humidity of 69%. Wind will be a factor, with crosswinds in the early miles and headwinds between miles 4-5 and 14. Runners should consider pacing adjustments during the headwind segments and take advantage of the tailwind from miles 7-11 to maximize speed.
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Race Info
The Harborside Half Marathon and 5K runs each November through Newburyport, Massachusetts, starting at Mark Richey Woodworking on Parker Street and finishing at Cashman Park on the Merrimack River. The half marathon route heads out through Newbury and West Newbury before returning along the Clipper City Rail Trail for its final 1.3 miles. The race has run annually since 2015, is USATF-certified, and sold out six weeks ahead of race day in 2025.