Marine Corps Marathon
Washington, DC, USA · October 25, 2026
Race Day Weather
51°at start
65° high
Light
Dry
Cool start, mild afternoon warmth
Runners will face temperatures rising from 51°F at the start to 64°F by the finish, accompanied by humidity at 68%. Wind will be light at 7 mph with varied directions, including headwinds from miles 2-3 and 16 and crosswinds through several segments. To optimize performance, runners should start conservatively and adjust their pace during the exposed headwind sections.
Race day forecast available in 35 days
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Distance: 26.2mi
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FAQ
When is the 2026 Marine Corps Marathon?
The 2026 Marine Corps Marathon will be held on Sunday October 25, 2026.
Is the Marine Corps Marathon a Boston Marathon Qualifier?
Yes, the Marine Corps Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Marine Corps Marathon?
The forecast calls for a high of 67°F and a low of 51°F with a 10% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
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