Big Bend Ultra - Terlingua, TX

The Big Bend Ultra is an annual trail running event held in Terlingua, Texas, within the vast Big Bend national and state parks, covering over 300,000 acres. Known for its remote location with scarce water, fuel, and transportation, the race offers a unique challenge amid stunning natural isolation and some of the lowest light pollution in the lower 48 states, ideal for stargazing. The event features multiple race distances including 10K, 20K, 35K, 55K, and 100K, catering to a range of ultrarunners. Since its inception in 2004, the Big Bend Ultra has grown into a celebrated race supported by dedicated volunteers and sponsors. Visit the organization's website for the most recent information.