Boston Marathon
Race Day Weather
Cool start, gentle tailwinds ahead
Runners will face a starting temperature of 48°F, gradually warming to 53°F by the finish. With winds peaking at 12 mph from the SE, tailwinds will assist from miles 3 to 5 and 14 to 17, while crosswinds will challenge runners in between. The humidity at 61% is manageable, but pacing adjustments may be necessary during the exposed stretches, especially from miles 6 to 13.
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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.
