Runners will face a start temperature of 49°F, rising to 64°F by race end. Winds will be moderate at 11 mph from the WSW, with gusts up to 23 mph. With humidity at 60%, runners should maintain hydration and consider pacing conservatively as temperatures rise.
Race day forecast available in 217 days
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Distance: 26.2mi
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Race Info
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
The 2027 Grasslands Trail Run Marathon will be held on Saturday March 20, 2027.
Is the Grasslands Trail Run Marathon a Boston Marathon Qualifier?
No, the Grasslands Trail Run Marathon is NOT a Boston Marathon qualifier.
What will the weather be like for the 2027 Grasslands Trail Run Marathon?
The forecast calls for a high of 72°F and a low of 51°F with a 9% 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
64°F
L:49° H:64°
RunScore
Conditions
Rain Freq
21%
5 of 24 yrs
Wind10mph
Dew43°F
Temperature History
Range of temperatures during race hours for each year.
