The 2026 Marine Corps Historic Half has concluded.

Marine Corps Historic Half

Race complete
Washington, DC, USA · May 17, 2026
partly-cloudy-day64°·77° high·Light·Dry
8
Register

Race Day Weather

partly-cloudy-day
64°at start
84° high
Light
Dry

Warm start, pace wisely

Runners will face a starting temperature of 65°F, rising to a maximum of 81°F. With an average humidity of 74% and a light wind from the SE at 8 mph, it's crucial to adjust pacing and consider hydration strategies early on. Starting conservatively will help manage the warmth as the race progresses.

partly-cloudy-night8
partly-cloudy-night7
partly-cloudy-day8
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day7
partly-cloudy-day7

Get forecast alerts for Marine Corps Historic Half

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Area Map

Course Map

FAQ

When is the 2026 Marine Corps Historic Half?

The 2026 Marine Corps Historic Half will be held on Sunday May 17, 2026.

What will the weather be like for the 2026 Marine Corps Historic Half?

The forecast calls for a high of 88°F and a low of 64°F with a 0% chance of rain.

Historical Weather

Based on 18 years of data
Avg Temp
71°F
L:61° H:71°
RunScore
7
Conditions
Rain Freq
28%
5 of 18 yrs
Wind10mph
Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
cloudy
69°/73°-
7
2024
cloudy
64°/71°-
8
2023
partly-cloudy-day
57°/74°-
8
2022
partly-cloudy-day
74°/82°-
7
2021
partly-cloudy-day
53°/72°-
9
2020
cloudy
62°/66°-
8
2019
partly-cloudy-day
60°/71°-
9
2018
cloudy
69°/85°-
7
2017
cloudy
59°/66°-
9
2016
partly-cloudy-day
49°/59°Light
7
2015
cloudy
71°/81°-
8
2014
partly-cloudy-day
53°/66°-
8
2013
cloudy
62°/69°Light
8
2012
partly-cloudy-day
60°/78°-
8
2011
rain
63°/70°Light
8
2010
cloudy
63°/70°-
8
2009
rain
59°/62°Light
7
2008
partly-cloudy-day
59°/66°Light
8