Dallas Marathon

Dallas, TX, USA · December 13, 2026
partly-cloudy-day49°·61° high·Breezy·Dry
8

Race Day Weather

partly-cloudy-day
49°at start
61° high
Breezy
Dry

Cool start, steady winds ahead

Runners will face a temperature range from 49°F at the start to a mild 61°F by the finish, with average humidity at 57%. Winds will primarily be a crosswind with tailwinds present in segments, particularly beneficial from miles 2-6 and 12-14. To optimize performance, runners should pace conservatively early on, particularly through headwind sections around miles 8 and 16.

Race day forecast available in 223 days
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Pace Calculator

Distance: 26.2mi
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Race Info

The Dallas Marathon (formerly known as the Dallas White Rock Marathon and also known as the BMW Dallas Marathon for sponsorship reasons) is an annual marathon road running event usually hosted in December by Dallas, Texas, and is Texas' oldest marathon,[citation needed] having been held every year since 1971 (with the exception of 2013 and 2020). The marathon begins and ends in Downtown Dallas and runs around White Rock Lake. The race weekend also includes a 5K, a 10K, a half marathon, a 2-person half marathon relay, a 5-person full marathon relay, and a 50K ultramarathon. Wikipedia

FAQ

When is the 2026 Dallas Marathon?

The 2026 Dallas Marathon will be held on Sunday December 13, 2026.

Is the Dallas Marathon a Boston Marathon Qualifier?

Yes, the Dallas Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Dallas Marathon?

The forecast calls for a high of 61°F and a low of 46°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 24 years of data
Avg Temp
60°F
L:49° H:61°
RunScore
7
Conditions
Rain Freq
29%
7 of 24 yrs
Wind11mph
Dew42°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
30°/42°-
6
2024
cloudy
60°/75°Light
8
2023
clear-day
40°/53°-
8
2022
cloudy
52°/57°-
9
2021
cloudy
73°/81°-
7
2019
clear-day
48°/65°-
8
2018
rain
40°/42°Light
6
2017
clear-day
45°/71°-
9
2016
cloudy
53°/74°-
7
2015
rain
52°/55°Light
8
2014
cloudy
62°/66°Light
7
2012
partly-cloudy-day
58°/70°-
7
2011
rain
42°/43°Light
5
2010
partly-cloudy-day
58°/66°-
7
2009
fog
47°/64°-
9
2008
cloudy
67°/77°-
6
2007
rain
38°/45°Light
5
2006
cloudy
47°/50°Light
8
2005
partly-cloudy-day
44°/64°-
9
2004
clear-day
52°/72°-
8
2003
partly-cloudy-day
34°/58°-
7
2002
clear-day
50°/69°-
7
2001
partly-cloudy-day
39°/51°-
8
2000
partly-cloudy-day
52°/67°-
8