Grasslands Trail Run Marathon

Decatur, TX, USA • March 15, 2025
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partly-cloudy-day Partly cloudy throughout the day.

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The Grasslands Trail Run is held in the Lyndon B. Johnson National Grasslands, more than 20,000 acres managed by the U.S. Forest Service and situated north of Fort Worth. The trails loop among rolling hills and through a mixture of pine and oak grove forests, open fields, and livestock. Run the 100-Mile, 50-Mile, Marathon, Half marathon (Saturday Start) or 15K (Sunday Start) and enjoy the beauty of the Grasslands while sharing the trails with horses and running past cows—don’t let the cows out! Source

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When is the 2025 Grasslands Trail Run Marathon?

The 2025 Grasslands Trail Run Marathon will be held on Saturday March 15, 2025.

Is the Grasslands Trail Run Marathon a Boston Marathon Qualfier?

No, the Grasslands Trail Run Marathon is NOT a Boston Marathon qualifier.

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Historical Weather

RunScore
Run Score: 7
Temp
63°F
Min/Max
48°/63°F
Dew
43°F
Days of Rain
5/22
Wind
10mph
Tap a row for details.
YearLow / HighRain

Grasslands Trail Run Marathon 2024 Weather History

Partly cloudy throughout the day with rain.

2024
cloudy
52°/ 57°Light
Run Score: 8

Grasslands Trail Run Marathon 2023 Weather History

Clear conditions throughout the day.

2023
clear-night
38°/ 52°-
Run Score: 8

Grasslands Trail Run Marathon 2022 Weather History

Clear conditions throughout the day.

2022
clear-night
43°/ 71°-
Run Score: 8

Grasslands Trail Run Marathon 2021 Weather History

Clear conditions throughout the day.

2021
clear-night
43°/ 64°-
Run Score: 9

Grasslands Trail Run Marathon 2019 Weather History

Clear conditions throughout the day.

2019
clear-night
38°/ 56°-
Run Score: 8

Grasslands Trail Run Marathon 2018 Weather History

Clear conditions throughout the day.

2018
clear-night
53°/ 69°-
Run Score: 9

Grasslands Trail Run Marathon 2017 Weather History

Clearing in the afternoon.

2017
partly-cloudy-night
60°/ 81°-
Run Score: 8

Grasslands Trail Run Marathon 2016 Weather History

Clear conditions throughout the day.

2016
clear-night
37°/ 56°-
Run Score: 8

Grasslands Trail Run Marathon 2015 Weather History

Partly cloudy throughout the day with rain.

2015
partly-cloudy-night
50°/ 58°-
Run Score: 8

Grasslands Trail Run Marathon 2014 Weather History

Cloudy skies throughout the day.

2014
partly-cloudy-night
53°/ 59°-
Run Score: 8

Grasslands Trail Run Marathon 2013 Weather History

Cloudy skies throughout the day with rain.

2013
rain
41°/ 49°Light
Run Score: 7

Grasslands Trail Run Marathon 2012 Weather History

Clear conditions throughout the day.

2012
clear-night
51°/ 72°-
Run Score: 9

Grasslands Trail Run Marathon 2011 Weather History

Clear conditions throughout the day.

2011
partly-cloudy-night
63°/ 82°-
Run Score: 7

Grasslands Trail Run Marathon 2010 Weather History

Cloudy skies throughout the day with rain or snow clearing later.

2010
rain
32°/ 35°Light
Run Score: 3

Grasslands Trail Run Marathon 2009 Weather History

Clear conditions throughout the day.

2009
clear-night
56°/ 71°-
Run Score: 8

Grasslands Trail Run Marathon 2008 Weather History

Clear conditions throughout the day.

2008
clear-night
42°/ 71°-
Run Score: 8

Grasslands Trail Run Marathon 2007 Weather History

Partly cloudy throughout the day.

2007
cloudy
61°/ 75°-
Run Score: 7

Grasslands Trail Run Marathon 2006 Weather History

Clear conditions throughout the day.

2006
clear-night
37°/ 61°-
Run Score: 8

Grasslands Trail Run Marathon 2005 Weather History

Partly cloudy throughout the day with a chance of rain throughout the day.

2005
rain
46°/ 49°Moderate
Run Score: 5

Grasslands Trail Run Marathon 2004 Weather History

Partly cloudy throughout the day with late afternoon rain.

2004
partly-cloudy-night
69°/ 81°-
Run Score: 6

Grasslands Trail Run Marathon 2003 Weather History

Partly cloudy throughout the day with rain.

2003
partly-cloudy-night
47°/ 58°Light
Run Score: 8

Grasslands Trail Run Marathon 2001 Weather History

Partly cloudy throughout the day with early morning rain.

2001
partly-cloudy-night
46°/ 70°-
Run Score: 8
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR