The 2025 event has concluded.
Marine Corps Marathon
Washington, DC, USA • October 26, 2025
Race Day Weather
43°
62° high
Light
Dry
Cool temps, strategic wind shifts
Runners will face a temperature rising from 45°F at the start to a peak of 61°F. With a maximum wind speed of 5 mph, crosswinds will affect the early miles, while a tailwind will provide relief from miles 4 to 6 and 17 to 18. The average humidity of 66% encourages runners to hydrate regularly, especially during the tougher miles 19-22 where headwinds will challenge pacing.
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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
Historical Weather
Based on 26 years of data
Avg Temp
64°F
L:50° H:64°
RunScore
Conditions
Rain Freq
12%
3 of 26 yrs
Wind11mph
Dew42°F
Temperature History
Range of temperatures during race hours for each year.