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Trail Running Calendar near Downtown San Antonio 2026-2027

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Explore the top trail runs near Downtown San Antonio for 2026-2027! We've gathered 29 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

April 2027
A race day in San Antonio on April 4, 2027 featuring races from a 50 m kids dash to a 13.1 mile virtual run, plus in-person 5K and 10K options.
A 1970s themed running event in San Antonio on April 17, 2027 offering multiple distances, a virtual option, and a pre-race costume contest.
May 2027
Wiener-themed running event in San Antonio on 05/09/2027 offering races from a 50 m kids dash to a virtual half marathon and a free hot dog for finishers.
June 2027
Tropical-themed running event at Southside Lions Park offering Kids Dash, 1 Mile, chip-timed 5K and 10K, a volunteer then run option, and a virtual distance.
July 2027
A multi-distance running event in San Antonio on July 10, 2027, offering Kids Dash through a chip timed half marathon with medals, shirts and on-course aid.
August 2027
Shark Week in San Antonio on Aug 1, 2027 features a kids dash, 1 mile, chip timed 5K and 10K, a virtual option, and volunteer-run perks.
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.
September 2027
A themed race day in San Antonio with multiple distances, a costume contest, medals for all finishers, awards, and volunteer run options.
October 2027
A family friendly mud run at Cycle Ranch Pro on October 2, 2027 featuring obstacles, mud pits, a pre party, packet pickup the day before, and on site bag check for a fee.
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