Alamo City Ultra

San Antonio, United States • 7 Feb 2026

Event

The Alamo City Ultra is set for February 7, 2026, at Eisenhower Park, 19399 NW Military Hwy, San Antonio, TX 78257. The event offers both running and rucking options over multiple distances:

  • 50K
  • 25K
  • 10K
  • 5K

The longer races are run as multiple loops: the 50K uses six loops, the 25K uses three loops, the 10K uses two loops, and the 5K is one loop.

Course and logistics

The course is on natural trails with rocks and roots and includes about 425 feet of elevation. Some of the route follows the greenway trail toward the finish area. Route maps are provided for the 50K/25K and for the 10K/5K.

Packet pickup is planned for Friday (time to be determined) and Saturday at the start/finish area. The event has a 12-hour overall cutoff; participants may not start another loop after 4:45 PM. Amenities listed for registered participants include custom medals, a choice of event swag, full aid stations, chip timing, volunteer support, and race photos. Visit the organization's website for the most recent information.

Race information

50 km
50k
25 km
25k
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Run the La Llorona 10K through cactus lined trails at McAllister Park and enjoy deer and armadillo sightings along the way. Competitive awards and a cash prize for the best La Llorona costume add extra fun.

Join the 5k Beer Run at Back Unturned Brewing in San Antonio for a fun run where you can run, walk, or jog the course and celebrate with craft beer at the finish. A portion of proceeds benefits local nonprofits.

Run beneath the earth and through Hill Country trails at the Natural Bridge Caverns Trail Run, starting inside the caverns. Choose a Half Marathon, 10K or 5K and enjoy finisher medals, a race tee, cave tour discount and post race food.

Run Mardi Gras Madness in San Antonio for festive 5K and 10K races, a kids dash and a fun 1 mile, with in person and virtual options. Celebrate at Pearsall Park with a DJ, race rally tent, live awards and volunteer perks.