Cambridge Half Marathon
Race Day Weather
Cool temperatures, strategic wind shifts
Runners will face temperatures starting at 37°F and rising to 47°F, with a light headwind in the first half of the race. Humidity is moderate at 63%, so hydration should be prioritized. The toughest conditions will occur in the first seven miles due to headwinds, while the final miles will benefit from a tailwind. Pacing adjustments are recommended to conserve energy early.
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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.