Marine Corps Marathon
Washington, DC, USA · October 25, 2026
Race Day Weather
51°at start
65° high
Light
Dry
Mild temps, strategic wind shifts
Runners will face a starting temperature of 51°F, rising to 64°F by the finish. Winds will begin as a headwind from miles 2-3, switch to a tailwind by mile 4, and alternate between headwinds and crosswinds throughout the race. Due to the moderate humidity of 68%, runners should plan for hydration, especially during the tougher segments with headwinds at miles 2-3 and 16.
Race day forecast available in 88 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.