Big Bend Ultra - Terlingua, TX

JAN
17
2027
Trail event at Big Bend Ranch State Park with distances from 10k to 100k, remote aid stations, gold tier dark sky designation, and a 100k participant limit.
Sun 17 Jan 2027
100 kilometers 55 kilometers 35 kilometers 20 kilometers 10 kilometers

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Big Bend Ultra

The Big Bend Ultra is an annual trail running event held at Big Bend Ranch State Park with the start and finish at the Barton Warnock Visitor Center. The event includes multiple distances and uses remote desert trails with no cellular coverage on course. The race area is certified as a gold tier Dark Sky Park by the International Dark-Sky Association.

Distances:

  • 10k out and back with no aid station.
  • 20k course with aid stations and a cX Rating of 135.7.
  • 35k course with aid stations and a cX Rating of 154.7.
  • 55k course with aid stations and a cX Rating of 176.4.
  • 100k course with aid stations, a cX Rating of 219.3, limited to 100 participants and a 20 hour cut off.

Aid and facilities are limited. Portable toilets are provided at the start and finish. The Contrabando and Bravo aid stations have a permanent pit toilet; other stations use pop up privy style toilets. The Contrabando aid station is the only one accessible to spectators by vehicle. Spectator and crew vehicle access into the state park is not allowed; only designated volunteers may access aid stations by vehicle. Pacers are not permitted on remote sections.

Finish recognition includes a handmade clay finisher medal and a post race meal for finishers; 100k finishers receive a belt buckle. Awards include top overall and age categories. Portions of proceeds support Friends of Big Bend Ranch State Park and the Big Bend Trail Alliance. Visit the organization's website for the most recent information.

100 km
100k
55 km
55k
35 km
35k
20 km
20k
10 km
10k
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