Brazos Bend 100

Needville, United States • 6-7 Dec 2025

The Brazos Bend 100 is a premier trail running event held annually in December at Brazos Bend State Park, located just south of Houston, Texas. This race features multiple distances, including a 100-mile ultra, 100-kilometer, marathon, and half marathon, making it accessible for various skill levels. The 100-mile race serves as a qualifier for the prestigious Western States Endurance Run. The course is renowned for its flat terrain, consisting of crushed rock and smooth trails, ideal for fast times. Participants can enjoy the park's natural beauty, including wildlife like alligators, while benefiting from well-stocked aid stations throughout the race. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 100K
100 mi
10 m+
100 Mile
100 km
100 Kilometer
26 mi
Marathon
13 mi
Half Marathon
Visit the organization's website for the most recent information.
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