Grasslands Trail Run

Grasslands Trail Run - March 20-21, 2027

The Grasslands Trail Run takes place in the Lyndon B. Johnson National Grasslands near Alvord, Texas. The course loops among rolling hills and passes through pine and oak groves, open fields, and areas with livestock. Start and finish are at the TADRA Point Trailhead.

Distances include:

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

Course format and terrain are defined by a series of trails. The half marathon uses the blue trail; the marathon uses the white and blue trails; the 50 mile and 100 mile use blue, white, yellow, and red trails; the 15K uses the yellow trail. The race runs on equestrian trails, described as non-technical. Elevation gain for the 100 mile is approximately 4,000 feet. The course map shows loops and the locations of aid stations.

Cutoffs: the 100 mile distance has a 30 hour cutoff. The 15K has a 3.5 hour cutoff. Cutoff times for the 50 mile, marathon, and half marathon are described as generous.

Participants receive event shirts and distance awards. Runners in the 100 mile may receive a long sleeve shirt if registered before the organizer places the shirt order about 2.5 weeks before the event. Finishers in the 100 mile earn a sub-20, sub-24, or finisher buckle; finishers in other distances receive distance-specific medals.

Volunteers earn race credits that can transfer to runners. Cancellation policy: more than 30 days before the event receives 100% race credit; between 30 days and two weeks receives 50% race credit; less than two weeks receives no refunds or transfers. Credits must be used within one year unless extended for medical or military reasons with prior notice. Visit the organization's website for the most recent information.