Runners will face a temperature trend starting at 46°F and rising to 58°F by mid-race. With a light NE wind peaking at 4 mph, it will not significantly affect performance. Given the average humidity of 70%, pacing adjustments may be necessary to maintain energy levels. The toughest segments include headwinds from miles 4-6 and 17-18, while tailwinds from miles 10 and 19-22 will offer beneficial boosts.

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Distance: 26.2mi

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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

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Race weekend

Saturday, October 24

7:30 AMMCM 8K (5.0 mi)

9:00 AMMCM Kids Run (0.5 mi)

Sunday, October 25

7:20 AMMarine Corps Marathon (26.2 mi)

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 65°F and a low of 44°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 28 years of data

Avg Temp

54°F

L:50° H:58°

RunScore

Conditions

Rain Freq

11%

3 of 28 yrs

Wind7mph

Dew44°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Marine Corps Marathon Partly cloudy throughout the day. 2026	44°/57°	-	44°
2025 Marine Corps Marathon Partly cloudy throughout the day. 2025	43°/54°	-	41°
2024 Marine Corps Marathon Partly cloudy throughout the day. 2024	46°/53°	-	34°
2023 Marine Corps Marathon Cloudy skies throughout the day with late afternoon rain. 2023	66°/70°	-	62°
2022 Marine Corps Marathon Partly cloudy throughout the day. 2022	41°/52°	-	40°
2019 Marine Corps Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2019	65°/71°	Light	68°
2018 Marine Corps Marathon Partly cloudy throughout the day with late afternoon rain. 2018	51°/57°	-	46°
2017 Marine Corps Marathon Partly cloudy throughout the day. 2017	55°/66°	-	53°
2016 Marine Corps Marathon Partly cloudy throughout the day. 2016	59°/65°	-	57°
2015 Marine Corps Marathon Partly cloudy throughout the day with morning rain. 2015	57°/59°	Light	55°
2014 Marine Corps Marathon Clear conditions throughout the day. 2014	58°/66°	-	33°
2013 Marine Corps Marathon Partly cloudy throughout the day. 2013	44°/55°	-	35°
2012 Marine Corps Marathon Cloudy skies throughout the day with late afternoon rain. 2012	59°/60°	-	45°
2011 Marine Corps Marathon Partly cloudy throughout the day. 2011	37°/45°	-	31°
2010 Marine Corps Marathon Partly cloudy throughout the day. 2010	46°/63°	-	40°
2009 Marine Corps Marathon Partly cloudy throughout the day. 2009	50°/56°	-	37°
2008 Marine Corps Marathon Clear conditions throughout the day. 2008	44°/55°	-	45°
2007 Marine Corps Marathon Clearing in the afternoon. 2007	55°/56°	-	36°
2006 Marine Corps Marathon Partly cloudy throughout the day. 2006	40°/52°	-	30°
2005 Marine Corps Marathon Clear conditions throughout the day. 2005	43°/56°	-	33°
2004 Marine Corps Marathon Partly cloudy throughout the day. 2004	61°/66°	-	60°
2003 Marine Corps Marathon Cloudy skies throughout the day with late afternoon rain. 2003	60°/64°	-	59°
2002 Marine Corps Marathon Becoming cloudy in the afternoon. 2002	48°/59°	-	49°
2001 Marine Corps Marathon Partly cloudy throughout the day. 2001	39°/48°	-	24°
2000 Marine Corps Marathon Clear conditions throughout the day. 2000	56°/64°	-	50°
1999 Marine Corps Marathon Partly cloudy throughout the day. 1999	44°/51°	-	37°
1998 Marine Corps Marathon Becoming cloudy in the afternoon. 1998	39°/62°	-	41°
1997 Marine Corps Marathon Partly cloudy throughout the day with rain. 1997	46°/49°	Light	44°