Harborside Half Marathon
Race Day Weather
Cool conditions, headwinds early
Runners will face a temperature range from 50°F at the start to 54°F by the finish, with average humidity at 65%. Winds from the W will create a headwind from miles 2 to 5, necessitating a conservative effort during this segment. Hydration should be prioritized throughout, especially given the humidity, and runners may want to adjust their pacing strategy accordingly.
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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.
