Great Springs Trail Race – Natural Bridge Caverns 2026 — San Antonio, TX

Date
September 26, 2026
Location
San Antonio, TX
Venue
26495 Natural Bridge Caverns Rd.
Start Time
7:00 AM
Entry Fee
$10.00 – $190.00
Events
GSTR - Natural Bridge Caverns - LPS Run (Last Person Standing Run), GSTR - Natural Bridge Caverns - LPS Ruck (Last Person Standing Ruck), GSTR - Natural Bridge Caverns - 16mi, GSTR - Natural Bridge Caverns - 8mi, GSTR - Natural Bridge Caverns - 8mi Ruck, GSTR - Natural Bridge Caverns - 4mi
Includes
Shirt | T-Shirt
Register NowRegistration OpenOfficial Race Website

The Great Springs Trail Race at Natural Bridge Caverns in San Antonio, Texas offers trail running distances of 1, 4, 8, and 16 miles, giving runners multiple options to match their fitness level and race day goals. Held on September 26, 2026, the event starts at 7:00 AM from the venue located at 26495 Natural Bridge Caverns Road. Entry fees range from $10 to $190 depending on distance and registration timing. Whether you're looking for a short trail experience or committing to the full 16-mile distance, this race accommodates various endurance athletes. Book accommodations in San Antonio with easy access to the Natural Bridge Caverns location to ensure you can start your morning on schedule and tackle your chosen distance fresh.

From the Race Organizer
Saturday, September 26, 2026. Join us for our most unique race ever! Starting in the Natural Bridge Caverns, which is part of the Comal Caverns network, this race kicks off with breathtaking views of the world below our feet as the start line is in the depths of the Natural Bridge Caverns. Once you emerge to the sunshine of a beautiful day, you’ll wind your way through beautiful trails over flowing hills and through wooded sections. You can choose from 4 to 16 miles distance or go big with the Last Person standing format. Natural Bridge Caverns in San Antonio. This race is made possible by the great work of Great Springs Project . Don’t know what that is yet? Check out this link or just come to the race and learn how the Edwards Aquifer under these trails is critical to sustainable clean water for our growing cities. We are incredibly proud to support their grandiose efforts, alongside the city of San Antonio via this trail race! While every racer will get some cool swag, September 1 is the deadline to get a shirt. Click Here for Tejas Trails Policies (you really do want to know this stuff)

Hotels Near This Race

Find accommodation close to the start line in San Antonio, TX. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.

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Great Springs Trail Race – Natural Bridge Caverns 2026 — San Antonio, TX

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Race Travel Insurance

Don't forget travel insurance for September 26.

You've trained for months and booked a trip to San Antonio, TX. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.

  • Trip cancellation up to 100% of prepaid costs
  • Running events covered under standard plans — no add-ons needed
  • Trip interruption up to 150% of non-refundable costs
  • Emergency medical up to $250,000
  • Cancel For Any Reason add-on available
  • 24/7 real-time support
Get a Quote — Faye Travel Insurance

Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.

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Frequently Asked Questions

When is Great Springs Trail Race – Natural Bridge Caverns 2026 — San Antonio, TX?

Great Springs Trail Race – Natural Bridge Caverns 2026 — San Antonio, TX takes place on September 26, 2026. The race is held in San Antonio, Texas.

Where is Great Springs Trail Race – Natural Bridge Caverns 2026 — San Antonio, TX held?

Great Springs Trail Race – Natural Bridge Caverns 2026 — San Antonio, TX is held at 26495 Natural Bridge Caverns Rd. in San Antonio, Texas.

Where can I find hotels near Great Springs Trail Race – Natural Bridge Caverns 2026 — San Antonio, TX?

RaceHotelFinder shows hotels sorted by distance from the race venue in San Antonio. Use the map or list view on this page to compare options and book race weekend accommodation.