Alamo City Ultra

Great Springs Trail Race – Natural Bridge Caverns is a San Antonio, Texas trail-running event that begins inside the Natural Bridge Caverns (part of the Comal Caverns network). Participants choose from multiple distances and formats: 4-, 8-, and 16-mile courses; Last Person Standing races; an 8-mile..

Legacy of Courage Half Marathon - San Antonio takes place at Ladybird Johnson Park along the Salado Creek Greenway in San Antonio, Texas (10700 Nacogdoches Rd). The event offers multiple distances: Kids Dash, 1 Mile, 5K (3.1 miles), Quarter Marathon (6.55 miles), and Half Marathon (13.1 miles), plus..

Diablo del Desperado is a trail-running challenge held at the private Desperado Resort just outside Boerne, Texas. The event offers 30K, 10K, and 5K runs, plus 30K and 10K Ruck options, with a Buddy Pass available for spectators. The course showcases rugged Texas Hill Country terrain—rocky canyon tr..

The SARR Rocky Horror Trail Run takes place on October 25, 2025, at Eisenhower Park in San Antonio, TX. The event offers in-person and virtual options for these distances: 53K (10 loops, 33 miles, 4000 ft gain) 27K (5 loops, 16.5 miles, 2000 ft gain) 10K (2 loops, 6.6 miles, 800 ft gain) 5K (1 loo..

The Friends of Government Canyon Recharge Run is a weekend trail fundraiser held at Government Canyon State Natural Area near San Antonio, Texas. The event offers Recharge Run 15K and 8K distances, plus a virtual option for remote participants. Runners can experience backcountry trails once inhabite..

Turkey Trails – San Antonio is a Thanksgiving-themed running event at Lady Bird Johnson Trail Park in San Antonio, Texas. The race offers 5K and 10K options, plus a 1-mile run, a Kids Dash, and a Virtual Race. The course runs along the Lady Bird Johnson Trail and is subject to change due to permits...