Grasslands Trail Run

MAR
21
2026
The Grasslands Trail Run is a North Texas tradition held each March in the LBJ National Grasslands. Runners can choose from several distances, including a 100 miler and a 15K, on a course winding through rolling hills and open fields shared with local livestock.
Sat 21 Mar 2026
15 kilometers

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Event Overview

The Grasslands Trail Run is a trail running event held annually on the third weekend of March. It takes place in the Lyndon B. Johnson (LBJ) National Grasslands near Decatur, Texas, north of Fort Worth. The event has been a tradition since 1999.

Course and Distances

The course loops through the more than 20,000-acre grasslands, managed by the U.S. Forest Service. The terrain features rolling hills and a mix of pine and oak groves, open fields, and livestock areas.

Multiple race distances are offered:

  • 100 Mile
  • 50 Mile
  • Marathon
  • Half Marathon
  • 15K

The Half Marathon and longer distances start on Saturday. The 15K starts on Sunday. Visit the organization's website for the most recent information.

15 km
Sunday 15k
Marathon
50 Mile
100 Mile
Half Marathon