Cambridge Half Marathon
Race Day Weather
Mild temps, headwinds early
Runners will face a starting temperature of 51°F, rising to 57°F by the finish, with an average humidity of 69%. A headwind will challenge participants from miles 1-7, necessitating pacing adjustments, particularly in the early stages. The gusty conditions, reaching up to 23 mph, will be more pronounced on the exposed stretches. Hydration should be prioritized, especially as temperatures rise.
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Race Info
The Cambridge Half Marathon is a USATF-certified 13.1-mile race that starts and finishes at CambridgeSide mall in Cambridge, Massachusetts. Held in early November alongside a companion 5K the day before, the course runs along Memorial Drive with views of the Charles River, MIT, and Harvard Stadium. The race has run annually since at least 2019 and is organized as the CambridgeSide Charity Race Series, which has raised more than $1.7 million for local charities since 2017.