Where can I find the Brazos Bend 100 (Needville) Ultramarathon route map?
Use the official course links on this page for the organiser route page, map PDF or route download.
Official course linksBrazos Bend 100 (Needville) Ultramarathon
This race edition
- Race date
- Date not confirmed for this distance
- Race timezone
- Timezone not confirmed
- Edition status
- Status not confirmed
Entry options
2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Official event website & entry ↗Data current as of
Decision summary
Brazos Bend 100 (Needville) Ultramarathon at a glance
- Cut-off average pace
- 11:56/km
- Typical conditions
- 70/100
- Evidence depth
- 33 verified facts
32:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Source facts available
Route details
Known course facts at a glance
Brazos Bend 100 (Needville) Ultramarathon has known course details for its ultramarathon race. The summary below keeps the focus on what is confirmed for the course.
- Official distance
- 160.9 km
- Terrain
- Trail
- Scenery
- Parkland, Forest, Lakeside, Countryside
Quick answers
What runners ask first
How hilly is the Brazos Bend 100 (Needville) Ultramarathon?
The Brazos Bend 100 (Needville) Ultramarathon is described as pancake flat. The course notes also call it billed as the largest trail race in Texas and one of the fastest trail races in the world on flat, smooth trails.
Where does the Brazos Bend 100 (Needville) Ultramarathon route go?
The Brazos Bend 100 (Needville) Ultramarathon route starts at Brazos Bend State Park, 21901 Farm to Market Rd 762, Needville, TX 77461 and finishes at Brazos Bend State Park, Needville, TX. Underfoot, expect mix of hard crushed rock, soft hiking trails under tree canopy, and smooth horse trails over an approximately 16.7-mile loop. It passes Brazos Bend State Park, park lakes, tree canopy trails and horse trails. Billed as the largest trail race in Texas and one of the fastest trail races in the world on flat, smooth trails.
What should runners know on race day for the Brazos Bend 100 (Needville) Ultramarathon?
4. Pacers permitted; a dedicated Ultra Pacer registration option is offered.
Race character
Scenery
- Parkland
- Forest
- Lakeside
- Countryside
Atmosphere
- Community
- Destination
- Wilderness
Terrain
- Trail
- Elevation character
- Pancake Flat
- Technicality
- Non Technical
Entry, logistics and records
Records and field
- Field size
- Described as the largest trail race in Texas; exact field cap not published on the registration page.
Entry requirements
- Entry status
- Open entry: The held registration model is open entry and this edition is not marked sold out.
- Cut-off
- 100 Mile cutoff is 32 hours; 100K cutoff is 31 hours. Finish line closes Sunday at 2 PM.
- Qualification status
- The 100 Mile is a Western States Endurance Run lottery qualifier (sub 32 Hour finish); qualifying for entry to Western States is by lottery, so this race is not itself a qualifier Entry (ballot) race. 119 qualifiers produced in 2024 and 133 in 2025.
Race day logistics
- Aid stations
- 4
- Pacers
- Pacers permitted; a dedicated Ultra Pacer registration option is offered.
Access and course status
- Start
- Brazos Bend State Park, 21901 Farm to Market Rd 762, Needville, TX 77461
- Finish
- Brazos Bend State Park, Needville, TX
Course facts
- Course type
- Laps
- Surface
- Mix of hard crushed rock, soft hiking trails under tree canopy, and smooth horse trails over an approximately 16.7 Mile loop.
- Landmarks
- Brazos Bend State Park, park lakes, tree canopy trails, horse trails
- Notable features
- Billed as the largest trail race in Texas and one of the fastest trail races in the world on flat, smooth trails
What are typical race-day conditions?
- 15°CTypical temperature
- 19 kphTypical wind
- 4 mmTypical rainfall
- 70Favourability /100