Big Bend Ultra - Terlingua, TX
Terlingua, United States • 18 Jan 2026
Big Bend Ultra - Terlingua, TX
The Big Bend Ultra is scheduled for Sunday, January 18, 2026, in Terlingua, Texas (21800 FM170, Terlingua, TX 79852). The event includes the following distances:
- 10k
- 20k
- 35k
- 55k
- 100K
Entry fees listed are $125 for the 10k, $135 for the 20k, $145 for the 35k, $170 for the 55k, and $235 for the 100K. Prices increase after November 15, 2025.
Course and event notes
The race was first held in 2004 and has been held annually since. The setting is in and near Big Bend national and state parks, a region of more than 300,000 acres. The organizer notes that water, fuel, and transportation are scarce in the area, and that the park’s low light pollution is notable for stargazing. The event is supported by volunteers and competitors associated with Trail Roots and lists multiple sponsors. Visit the organization's website for the most recent information.