Natural Bridge Caverns Trail Run
Natural Bridge Caverns Trail Run Race Description
Experience the Only Race in Texas that Starts in the Belly of a Cave!
Join us for a one-of-a-kind adventure through Texas's largest caverns as you descend deep into the earth and race through Pluto's Anteroom. This is not just a run; it's an exhilarating journey through the breathtaking Natural Bridge Caverns. Whether you're taking on the Half Marathon, 10K, or 5K, you'll be surrounded by nature's subterranean wonders—crystal formations, majestic rock structures, and awe-inspiring underground chambers.
Race Details:
- Half Marathon Start Time: 7:00 AM
- Location: Natural Bridge Caverns, Texas
Course Highlights:
- 5K: A single loop on jeep trails, finishing behind the NBC Village.
- 10K: An out-and-back course with a challenging hill, merging with the 5K route and finishing behind NBC Village.
- Half Marathon: A diverse course covering every type of terrain, showcasing the stunning beauty of the Hill Country.
Event Perks:
- Finisher Medals and Award Medals
- Exclusive Race T-Shirt (We are out of shirts as of 01/30/2025) I am sorry for the inconvenience
- Discount on a Cave Tour Ticket
- Delicious post-race food featuring Kiolbassa Sausage
Race Day Timeline:
- 5:30 AM – 6:30 AM: Half Marathon Packet Pickup
- 5:30 AM – 7:00 AM: 5K & 10K Packet Pickup
- 6:40 AM: Half Marathon Pre-Race Meeting
- 6:50 AM: Half Marathon Line-Up & Walk to Cave
- 7:00 AM: Half Marathon Start
- 7:10 AM: 10K & 5K Pre-Race Meeting
- 7:20 AM: 10K & 5K Line-Up & Walk to Cave
- 7:30 AM – 8:15 AM: 10K & 5K Start
- 9:00 AM – 9:20 AM: 5K & 10K Awards Ceremony
- 10:00 AM – 10:30 AM: Half Marathon Awards Ceremony
Packet Pickup Options:
- Saturday, February 1, 2025: 1:00 PM – 4:00 PM at Natural Bridge Caverns
- Race Day, Sunday, February 2, 2025:
- Half Marathon: 5:30 AM – 6:30 AM
- 5K & 10K: 5:30 AM – 7:00 AM
Please note: After picking up your packet on race day, you'll need to return to your car until your pre-race meeting. Attendance at the pre-race meeting is mandatory.
Refund Policy:
- If you request a refund 14 days or more before the event, you will receive 50% of your race fee (excluding processing fees).
- No refunds will be issued in case of cancellation due to unforeseen circumstances (weather, emergencies). However, race packets, including shirts, will be available for pickup at a designated location.












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Natural Bridge Caverns Trail Run Where & When
- Location: 26495 Natural Bridge Caverns Rd, Garden Ridge, TX 78266
- Race Date: 2025/02/02 07:00:00 AM (Sunday)
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Categories:
- Half Marathon Trail Run
- 10K Trail Run
- 5k Trail Run
This was my first half marathon. I have run several 5K, 10K and 15K with other race organizers and have volunteered at other races in the San Antonio area including the Bandera 100k. I'm older, newer to running, and not very fast, and when I arrived at the finish line, they were doing awards, so no one was really paying much attention to who was coming through at that point. I have to admit, I was glad to be done! I saw someone manually note my time as I came across the line as it appeared they had no tracking equipment like at the other runs I have been to. They had apparently run out of medals, so I was told to select from some agate slices that they had put on a generic black ribbon. This run was one of the most expensive ones I've done, and I didn't get the medal with the year and race on it that I saw many other people wearing. The agate was pretty, but I gotta say I was a little disappointed about that. I guess they didn't order enough medals - or shirts - I heard them tell people that they were out of shirts. I did get a shirt, since I'd signed up before the cutoff. The best part of this run was the trail. It was scenic and beautiful. It was a great way to spend the morning. The trail was technical in spots, but unless you're Jim Walmsley or equivalent, you ain't running up or down some of the steep spots on the gravel trail unless you want to fall and bust your face. The run started in the cave, which was cool, and then was on pavement for a short way at the beginning and end, but the majority of the run was on dirt jeep trails. It passed by an old homestead and an old barn and a river bottom where the temperature seemed to drop fifteen degrees and I just about froze down there. The weather was very good otherwise. I'd do it again for the scenery, but the organizers should make sure that they have medals for everyone who signs up, considering how much this run costs, even for us old and slow people who come in after the 3-hour mark.
