Brazos Bend 100

📅 Event Details

• Date: December 6th-7th, 2025
• Location: 21901 Farm to Market Rd 762, Needville, TX
• Organizer: Sponsored by Altra Running
• Race Link: Brazos Bend 100

🏆 Race Overview

• Qualifier: Western States 100 Lottery Qualifier (sub 30 hour 100-mile) with 98 qualifiers in 2024!
• Event Format: This is the December edition of our popular Brazos Bend races with the marquee event being the 100-mile.
• Popularity: The Brazos Bend 100 is the largest trail race in Texas and one of the fastest trail races in the world on flat and smooth trails.
• Course Details: There are four aid stations per loop, and the top 3 were under 16 hours in 2024.

🏞️ Course Description

• Terrain: The course is 99.9% flat, with a 10-foot rise over 0.1 of a mile. The rest of the ~16.7mi loop consists of hard crushed rock, soft hiking trails under tree canopy, and smooth horse trails.
• Footwear: Most runners get away with a road shoe.
• Weather Conditions: Conditions in December can have a mix of anything but are typically great for running.
• Wildlife: Brazos Bend is known for its abundance of birds and American Alligators, providing unique race photo opportunities.

🏅 Brazos Bend Challenge

• Challenge Details: Complete the 50K or 50M in April 2025, AND the 100K or 100M in December 2025 to earn the Brazos Bend Challenge Coin.

📧 Participant Information

• Updates: Information for the 2025 event is continuing to be updated as we get closer to event day.
• Expectations: We do not expect any major changes but stay tuned to email for updates.
• Participant Packet: A participant information packet will be shared in November.