Boston Marathon
Race Day Weather
Cool start, ideal racing temps
Runners will face a temperature rise from 43°F at the start to a comfortable 55°F by the finish, with a tailwind throughout. With wind speeds reaching 15 mph and gusts up to 23 mph, the gently rolling course will benefit runners, especially during the descents from mile 1 to 4 and at mile 16. The low humidity of 42% allows for optimal hydration without the need for pace adjustments.
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Race Info
The Boston Marathon, established in 1897, is the world's oldest annual marathon and requires qualifying times based on age and gender. Runners start in Hopkinton and finish on Boylston Street, tackling a net downhill course with a mix of flat stretches and the iconic Newton Hills, including Heartbreak Hill. Key landmarks include Wellesley's "Scream Tunnel" and the historic finish in Copley Square.