Brazos Bend 100

Needville, United States • 6-7 Dec 2025

Event

Brazos Bend 100 is a multi-distance trail running event at Brazos Bend State Park near Needville, Texas, held December 6-7, 2025. Race distances offered include:

  • 100M
  • 100K
  • Marathon (26.2M)
  • Half Marathon (13.1M)
  • Brazos Kids Kilometer
  • Ultra Pacer

The 100-mile distance is an official Western States Endurance Run qualifier when finished within 32 hours. The event includes awards and a cash purse for the 100M (first, second, third places for male and female categories) and finishers receive event-specific awards: buckles for the 100M and 100K, medals for the marathon and half marathon.

Course and logistics

The course is nearly flat with a short 10-foot rise on the loop and uses hard crushed rock, soft hiking trails under tree canopy, and smooth horse trails. Under dry conditions most runners wear road shoes; some sections can become muddy when wet. The loop is supported by four staffed aid stations on course: Elm Lake (start/finish), Sawmill, Hale Lake, and 40 Acre Lake, plus an unmanned water point at the Nature Center for shorter events. All runners must carry a personal hydration device - no cups are provided at aid stations. Drop bags for Sawmill are handled from the Elm Lake area. Pacers are allowed for the 100M (final two loops) and for the 100K (final loop only); pacers are not allowed in marathon or half marathon events. Special event park passes are required for all individuals 13 years and older; state park camping must be reserved through the official reservation system. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 100K
100 km
100k
100m
13.1m
26.2m
Brazos Kids Kilometer
Ultra Pacer
Visit the organization's website for the most recent information.
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