San Antonio
Trail Running Calendar near San Antonio 2026-2027
Explore the top trail runs near San Antonio for 2026-2027! We've gathered 19 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
A memorial stair climb in San Antonio on September 11, 2026, honoring fallen 9/11 first responders through climbs, bell tolls, and name tributes.
Free community run/walk in San Antonio on Sept 13 featuring repeated 2.5 mile loops over 2.5 hours as part of a national flag relay from New York City to Washington, D.C.
Trail races and a Last Person Standing run and ruck at Natural Bridge Caverns with cave starts, multiple distances, chip timing, and cupless Leave No Trace rules.
October 2026
A messy 5K at Cycle Ranch Pro in San Antonio with obstacles, waist‑deep mud pits, a pre-party and an after-party with music, food, and drinks.
Trail races and virtual options at Eisenhower Park using a 3.3 mile loop for distances from 5K to 53K with a cupless course and a 350 runner cap.
November 2026
Annual Recharge Run at Government Canyon State Natural Area features chip-timed 15K and 8K trail races plus a virtual option. The fundraiser supports Friends of Government Canyon and highlights trails with dinosaur track sites.
Trail races at Land Heritage Institute in San Antonio offering distances from 5K to 100 miles, with full aid stations, chip timing, and taco-themed finisher awards.
Races at Lady Bird Johnson Trail Park on November 29, 2026 range from a 50 m kids dash to a half marathon, with a virtual option, race swag, and chip timing.
December 2026
A 6.2 mile race in San Antonio on 12/12/2026 with a course run entirely on loose sand. Post-race offerings include s'mores, hot cocoa, and live music for a seasonal atmosphere.
Trail running at McAllister Park on 12/12/2026 with chip timing, technical dirt and single-track terrain, and distances from 5K to 20K.
A six hour trail challenge in San Antonio where runners complete a 5K each hour, earning patches or a medal for finishing all six laps and ranking on a national leaderboard.
Trail races at Pearsall Park on December 13, 2026 featuring 50K, 25K and 5K courses on rocky, hilly trails with unmanned water stations and finisher medals.
January 2027
A trail event at Eisenhower Park offering 50K, 25K, 10K and 5K with a 400 runner cap, full aid stations without disposable cups, drop bag area, and ruck divisions with specific minimum weights.
A themed 10K trail run at McAllister Park on January 24, 2027, inspired by the legend of La Llorona. The event features chip timing, age group and overall awards, a costume contest with a cash prize, and a provided course map.
February 2027
Trail races at Pearsall Park in San Antonio offering a two loop 25K, a one loop 10K and a hilly 5K with medals, singlets and a post race taco breakfast.
March 2027
Trail races at McAllister Park on March 6, 2027 include a 50K of three 10.34 mile loops plus 15K and 5K on natural single-track. The event is chip timed, cupless at aid stations, and offers virtual options.
April 2027
Spring Fling in San Antonio features a kids dash, 1 mile, 5K, 10K and a 13.1 mile virtual option with medals, shirts, aid stations, and volunteer roles.
August 2027
Night trail races at Land Heritage Institute in San Antonio offering 5K, 17K, 35K, 50K and a 17K ruck with required headlamps and aid stations.