Race informationRaces: 4 miles run, 8 miles run & ruck, 16 miles run, Last Person Standing Run, Last Person Standing Ruck, Youth 1 MileWhen: September 20, 2025Where: 26495 Natural Bridge Caverns Road, San Antonio, TX 78266 Register Sponsor Race Sponsors SATURDAY Packet Pickup:6:00am-8:30am (for all distances)9:30-10:00am (for Youth Races) Start: 7:00am: Last Person Standing Run & Ruck Mass Start 4 miler, 8 miler run & ruck and 16 miler Start 7:45am: First group start 8:45am: Last group start 10:30am: Youth 1 Mile Final Lap Cutoff: 11:30am (16 milers must be on your last lap) Final Cutoff: 4 mile, 8 mile and 16 mile: 1:30pm (course open to Last Person Standing only)