Great Springs Trail Race - Natural Bridge Caverns

San Antonio, United States • 20 Sep 2025

Great Springs Trail Race – Natural Bridge Caverns is held in San Antonio, Texas, with the start line inside the Natural Bridge Caverns (26495 Natural Bridge Caverns Rd., 78266). Runners can tackle 4, 8, or 16 miles, plus Last Person Standing Run or Last Person Standing Ruck formats, and a Youth 1-mile trail race. The course winds from cavern depths to sunlit forest trails, rolling hills, and wooded sections, offering a dynamic outdoor atmosphere. A standout feature is beginning in the caverns and then moving to the open course. The event supports the Great Springs Project and highlights the Edwards Aquifer’s critical role in sustainable water for growing cities; shirts have a deadline of August 26. Visit the organization's website for the most recent information.

Race information

16 mi
16mi
8 mi
8mi Ruck
8 mi
8mi
4 mi
4mi
Youth 1- Mile Trail Race (12 & Under)
Last Person Standing Ruck
Last Person Standing Run
Visit the organization's website for the most recent information.
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