Marine Corps Marathon
Washington, DC, USA • October 25, 2026
Race Day Weather
53°
66° high
Breezy
Dry
Cool start, steady winds ahead
Runners will face a temperature rise from 53°F at the start to 66°F by the finish, with average humidity at 64%. Wind will shift from crosswinds to tailwinds in segments, with notable headwinds from miles 9-10 and 20-23. To maintain pace, runners should adjust their strategy during headwind sections and take advantage of tailwinds for an energy boost.
Race day forecast available in 200 days
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Distance: 26.2mi
0:00:00
HH:MM:SS
The Marine Corps Marathon (MCM) is an annual marathon held in Washington, D.C. and Arlington, Virginia. The mission of the MCM is to promote physical fitness, generate community goodwill, and showcase the organizational skills of the United States Marine Corps. Wikipedia
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.
Historical Weather
Based on 27 years of data
Avg Temp
64°F
L:50° H:64°
RunScore
Conditions
Rain Freq
11%
3 of 27 yrs
Wind11mph
Dew42°F
Temperature History
Range of temperatures during race hours for each year.
