About This Race
The South Texas Ultra unfolds across the scenic terrain of the H.W. Lewis Ranch in the Texas Hill Country, offering runners a chance to experience the distinctive landscape of central Texas. Set in the rolling countryside near Leakey, this multi-distance event showcases the region's characteristic rocky, dirt, and grass trails that wind through private ranch land. The race features five distance options to accommodate runners of varying experience levels, from a beginner-friendly 5K to the challenging 50K ultra distance. The course follows a looped format for most distances, with the 50K runners completing multiple circuits of the main 10.3-mile loop. The description notes challenging terrain, though specific elevation details are not available in the current data. Scheduled for an October start, the race begins at 6:00 AM, providing cooler morning temperatures typical of the Texas Hill Country's fall season. With a field limited to 100 participants, the event maintains an intimate atmosphere while runners navigate the unique challenges of Texas trail running.
The course utilizes a 10.3-mile loop system on private ranch property, with runners completing different numbers of circuits based on their chosen distance. The terrain consists entirely of paths, featuring the characteristic rocky, dirt, and grass trails of the Texas Hill Country. The 5K follows a unique route separate from the main loop system.
Elevation Profile
The course gains 1,115 ft over 31 miles, with the steepest section between mile 19–mile 19.
Course Map
Route shown is approximate and for illustration purposes.
Practical Info
October in the Texas Hill Country typically features mild morning temperatures with potential for warming throughout the day.
SAT - San Antonio International Airport
Leakey is a small Hill Country town with limited lodging options. San Antonio, approximately 90 minutes southeast, offers extensive accommodation choices.
Best For
Notable Features
The race takes place on private ranch land in the scenic Texas Hill Country, offering runners a unique opportunity to experience terrain not typically accessible to the public. The multi-distance format and intimate field size create a welcoming environment for both newcomers to ultra running and experienced trail runners looking to explore central Texas.
Prepare for This Race
GEAR GUIDE
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GEAR GUIDE
The Best Hydration Vests for Ultrarunning in 2026
A tested guide to the best hydration vests for ultra marathons and long trail races — from lightweight racing vests to high-capacity mountain packs.
RACE GUIDE
The Best Trail Races for Your First Ultra
A thoughtful guide to choosing your first ultra marathon — what to look for in a course, how to evaluate difficulty, and five races worth considering.
FROM THE TRAIL
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Elevation profiles reveal the true character of a trail race. Learn to read the shape of a course and understand what it means for your race day experience.