North Texas Ultra
Feb 6, 2027Jacksboro, TX100K, 52 mi +4
50 Mile, 6 weeks before race day, 32 mi away, registration open
At a glance
- Date
- Mar 20–21, 2027
- Location
- Alvord, Texas
- Distances
- 100 mi, 50 mi, Marathon, Half Marathon
- Registration
- See ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
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Build my planAbout this race
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.
Key dates
Race day
Mar 20, 2027
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Tune-up races
Hard Times 100
Jan 2, 2027Paris, TX100 mi, 100K +1
100K, 11 weeks before race day, 122 mi away, registration open
Rudolph & Roses
Dec 19Tyler, TX100K, 50K +3
100K, 13 weeks before race day, 150 mi away, registration open
Straight-line distance
Similar races
Lake Murray Endurance Run
Oct 24Lake Murray State Park, OK100 mi, 100K +3
Also 100 miles, 55 mi from Grasslands Trail Run, registration open
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Also 100 miles, 122 mi from Grasslands Trail Run, registration open
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Also 100 miles, the same weekend as Grasslands Trail Run, registration open
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Also 100 miles, 2 weeks after Grasslands Trail Run, registration open
Straight-line distance
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Race planning
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