Harborside Half Marathon
Race Day Weather
Cool morning, adjust for headwinds
Runners will face temperatures starting at 46°F and rising to 50°F, with a light to moderate humidity of 69%. A headwind will impact miles 4-5 and 14, while tailwinds will assist runners during miles 7-8 and 11. Adjusting pacing during the tougher segments will be crucial, especially when facing headwinds.
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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.
