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Built on bad decisions in Boulder, CO.

Bandera Endurance Trail Race 100k

Draft Listing
  1. Tejas Trails
  2. 2027 Edition

Texas Hill Country's toughest qualifier — rocks, sotol, and two brutal loops

Directions
Register
All trail races in Texas→
January 09, 2027
Saturday 7:30am CDT start
Bandera, TX
United States
62.1 miles
Multiple Loops Course
6,600 ft
Elevation Gain
Historical weather
40°F / 59°FLo/Hi Temp
32°F / 53°FFeels Like
44%Cloud Cover
0% (0.06 in)Precipitation
13 mphWind Speed
58%Humidity
8:32 AMSunrise
6:55 PMSunset
Open Registration
No lottery
No Service Requirement
Does not require trail or volunteer work
No Qualifier
No qualifier race required
Challenging
Some ultra experience recommended
Links
WebsiteInstagramFacebook
2003
Established

What Makes It Great

The Bandera 100k winds twice through the rugged Hill Country State Natural Area — a two-loop course where the motto says it all: no whiners, wimps, or wusses. Each 50k lap threads through rocky, sotol-studded terrain with relentless short but steep climbs and gnarly technical descents delivering stunning Hill Country vistas. Runners tackle the counterclockwise loop starting Saturday at dawn, punch through a mid-race cutoff by 8pm to begin the second lap, and race the clock to a Sunday morning finish. One of the premier early-season 100k events in the US, Bandera is a coveted Western States lottery qualifier and draws a competitive national and international field to Tejas Trails' famously well-organized event.

Difficulty

Intermediate
6/10

Some ultra experience recommended

Technical Terrain
Steep Climbing
Technical Descent
Night Running
Variable Weather

Race Highlights

Western States 100 qualifier
Finish in 18 hours or fewer to earn a Western States lottery entry; one of the most competitive qualifier races in the US
Everything cuts, stings, or bites
Rocky, sotol-covered Hill Country singletrack — nearly the entire course is technical climbing or descending
Two-loop format
Both 100k laps run the same gnarly 50k counterclockwise loop with a Saturday 8pm last-lap cutoff
World-class course marking
Tejas Trails is globally known for obsessive course marking with reflective markers every few yards — no map or GPS needed
Band of Runners at the Equestrian AS
Military veterans organization Band of Runners staffs the Equestrian Aid Station, with optional racer donations supporting vet trail programming

Finish Awards

Finisher Medal
Unique custom medal awarded to all 100k finishers
Overall Award
Handmade awards for top 3 male and female. Hydrapak prizes for 1st place male and female overall.
Age Group Award
1st male and female per 10-year age group

Bandera Endurance Trail Race 100k

Bandera, TX, United StatesJanuary 09, 2027

January 09, 2027
Course map for Bandera Endurance Trail Race 100k
DistDistance62.1 mi
GainElevation Gain6,600 ft
LimitCutoff25 h
Steep ClimbingTechnical DescentNight RunningVariable Weather

Entry Timeline

Race DayJanuary 09, 2027

Lottery

This event uses open registration - no lottery entry required.

Qualifier

This event does not require a qualifier for entry.

Service Requirement

This race does not have a service requirement for entry.
62.1 mi
Distance
Multiple Loops
Route
25h
Cutoff Time
1,614 ft
Average Elevation
6,600 ft
Total Ascent
6,600 ft
Total Descent
1,946 ft
High Point
1,401 ft
Low Point
Course map
Launch Course Explorer

Aid Stations

LocationMileElevation
Lodge
Start
0.01,654 ft
Boyles
Aid Station
5.01,680 ft
Equestrian
Aid Station
9.41,568 ft
Nachos
Aid Station
16.41,460 ft
Chapas
Aid Station
21.21,503 ft
YaYa
Aid Station
27.01,581 ft
Lodge
Aid Station
31.11,654 ft
Boyles
Aid Station
36.21,637 ft
Equestrian
Aid Station
40.51,552 ft
Nachos
Aid Station
47.51,427 ft
Chapas
Aid Station
52.31,473 ft
YaYa
Aid Station
58.21,601 ft
Lodge
Finish
62.11,578 ft

Sign in to see cutoffs, crew access, drop bags, and services for every aid station.

On-Site Camping Available

Primitive camping available at the race venue (Hill Country State Natural Area), first-come first-served, no reservations needed Thu–Mon. $25/person covers all nights (tent, car, or RV without hookup). Limited RV hookup sites at Equestrian (water only) and Chapas (electric only) at $40/night — reserve by emailing [email protected]. Partner hotels with racer discounts available in Bandera and Boerne via Halo Bookings.

Crew Access Points

Pacer Rules

  • Pacers allowed for 100k runners only after completing the first 50k loop. Runners aged 60+ may have a pacer for the entire race. Only one pacer at a time. Pacers must start and end at an aid station. No muling. Free pacer registration required.

Crew Rules

  • Crews and spectators are allowed and encouraged at all aid stations.
Daylight
10h 23m
8:32 AM6:55 PM
59°F / 40°F
Feels like 53°F / 32°F
Temperature Hi/Lo
0% (0.06 in)
Precipitation
13 mph
Wind
58%
Humidity
44%
Cloud Cover
Based on historical averages for January 10
Cold/Hypothermia Risk

January nights in the Texas Hill Country can drop into the 20–30°F range, especially the pre-dawn stretch between loops

Rapid Weather Changes

Rapid weather changes common in January; the 2025 edition was relocated due to forecast freezing rain — check conditions close to race day

Gear Rules

Required Gear

No required gear specified

Recommended Gear

No recommended gear specified

Race Reports

The Hoka Bandera 100K Was Even Tougher This Year
By Texas Monthly • 2025
Bandera 100k Race Report
By TheStringbean

Reviews

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Register•January 09, 2027