Marine Corps Marathon
Washington, DC, USA · October 25, 2026
Race Day Weather
53°at start
66° high
Breezy
Dry
Mild temps, strategic pacing needed
Runners will face a temperature rise from 53°F at the start to 66°F by the finish. Winds from the SW will create a headwind from miles 9-10 and 20-23, impacting pacing. With humidity at 64%, it's advisable to maintain hydration and adjust pace, particularly on the climbs at miles 2 and 20. Tailwinds from miles 6-7 and 14-24 can provide opportunities for faster segments.
Race day forecast available in 160 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.