Marine Corps Marathon
Washington, DC, USA · October 25, 2026
Race Day Weather
53°at start
66° high
Breezy
Dry
Cool morning, steady winds ahead
Runners will face a temperature range from 53°F at the start, peaking at 66°F. Wind will vary with crosswinds in the early segments and headwinds from miles 9-10 and 20-23, reaching up to 10 mph. With humidity at 64%, maintaining hydration will be crucial, especially during the tougher stretches. Runners should pace conservatively in the initial miles and adjust for wind impacts on exposed sections.
Race day forecast available in 180 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 66°F and a low of 53°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.