# Half Marathon Races in San Antonio, TX (2026)

> 47 upcoming Half Marathon races in San Antonio, Texas.

- **Page:** https://runthis.run/races/texas/san-antonio/half-marathon

## Races

- **[Sloth Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-198478-sloth-run-5k-10k-13-1-san-antonio)** — Sat, Aug 29, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run for Breast Cancer 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-199886-run-for-breast-cancer-5k-10k-13-1-san-antonio)** — Sat, Aug 29, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[E-Dragon Run Festival](https://runthis.run/event/rs-144939-e-dragon-run-festival)** — Sun, Aug 30, 2026 · 12:00 AM UTC · San Antonio, TX · Marathon / 10K / 5K / 1 mile
- **[Heroes and Villains Half Marathon- San Antonio](https://runthis.run/event/rs-195226-heroes-and-villains-half-marathon-san-antonio)** — Sat, Sep 12, 2026 · 12:00 AM UTC · San Antonio, TX · 1 mile / 5K / 6.5 mi / Marathon
- **[National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-198813-national-chocolate-day-run-for-chocolates-5k-10k-13-1-san-an)** — Sat, Sep 12, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run for Mental Health 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-199931-run-for-mental-health-5k-10k-13-1-san-antonio)** — Sat, Sep 12, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Oktoberfest Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-199692-oktoberfest-run-5k-10k-13-1-san-antonio)** — Sat, Sep 26, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run for Donuts 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-200200-run-for-donuts-5k-10k-13-1-san-antonio)** — Sat, Sep 26, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Golden Harvest Half Marathon & 5k/10k - San Antonio](https://runthis.run/event/rs-194428-golden-harvest-half-marathon-5k-10k-san-antonio)** — Sun, Sep 27, 2026 · 12:00 AM UTC · San Antonio, TX · 50 m / 1 mile / 5K / 10K / Marathon
- **[2026 Run MONOPOLY Series](https://runthis.run/event/rs-208705-2026-run-monopoly-series)** — Sun, Sep 27, 2026 · 12:00 AM UTC · San Antonio, TX · Marathon
- **[Cookie Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-201401-cookie-run-5k-10k-13-1-san-antonio)** — Sat, Oct 10, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Coffee Lovers Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-201532-coffee-lovers-run-5k-10k-13-1-san-antonio)** — Sat, Oct 10, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[PB&J Fuel Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-201645-pb-j-fuel-run-5k-10k-13-1-san-antonio)** — Sat, Oct 31, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Halloween Trick or Trot Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-204701-halloween-trick-or-trot-run-5k-10k-13-1-san-antonio)** — Sat, Oct 31, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run for Mental Health 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-201437-run-for-mental-health-5k-10k-13-1-san-antonio)** — Sat, Nov 14, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Veterans Day Freedom Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-205135-veterans-day-freedom-run-5k-10k-13-1-san-antonio)** — Sat, Nov 14, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Coffee Lovers Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-201477-coffee-lovers-run-5k-10k-13-1-san-antonio)** — Sat, Nov 28, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Thanksgiving Gobble Trot Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-205288-thanksgiving-gobble-trot-run-5k-10k-13-1-san-antonio)** — Sat, Nov 28, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Turkey Trails - San Antonio](https://runthis.run/event/rs-167915-turkey-trails-san-antonio)** — Sun, Nov 29, 2026 · 12:00 AM UTC · San Antonio, TX · 50 m / 1 mile / 5K / 10K / Marathon
- **[2026 San Antonio Marathon](https://runthis.run/event/rs-172812-2026-san-antonio-marathon)** — Fri, Dec 4, 2026 · 12:00 AM UTC · San Antonio, TX · Marathon / 5K
- **[2026 - San Antonio Marathon](https://runthis.run/event/rs-194478-2026-san-antonio-marathon)** — Fri, Dec 4, 2026 · 12:00 AM UTC · San Antonio, TX · Marathon / 5K
- **[Run for Breast Cancer 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-204861-run-for-breast-cancer-5k-10k-13-1-san-antonio)** — Sat, Dec 12, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Sunrise Marathon 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-207987-sunrise-marathon-5k-10k-13-1-san-antonio)** — Sat, Dec 12, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[A Merry Christmas Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-205021-a-merry-christmas-run-5k-10k-13-1-san-antonio)** — Sat, Dec 26, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[New Year's Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-208018-new-years-run-5k-10k-13-1-san-antonio)** — Sat, Dec 26, 2026 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[MLK Jr. Freedom Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-209365-mlk-jr-freedom-run-5k-10k-13-1-san-antonio)** — Sat, Jan 16, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Sunrise Marathon 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-210574-sunrise-marathon-5k-10k-13-1-san-antonio)** — Sat, Jan 16, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Coffee Lover Run SAN ANTONIO](https://runthis.run/event/rs-209512-coffee-lover-run-san-antonio)** — Sat, Jan 30, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run for Donut SAN ANTONIO](https://runthis.run/event/rs-210606-run-for-donut-san-antonio)** — Sat, Jan 30, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Winter Dragon Race](https://runthis.run/event/rs-50733-winter-dragon-race)** — Sun, Jan 31, 2027 · 12:00 AM UTC · San Antonio, TX · Marathon / 10K / 5K / 400 m
- **[Valentine's Day Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-210075-valentines-day-run-5k-10k-13-1-san-antonio)** — Sat, Feb 13, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run for Chocolate 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-210830-run-for-chocolate-5k-10k-13-1-san-antonio)** — Sat, Feb 13, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run Together Against Breast Cancer SAN ANTONIO](https://runthis.run/event/rs-212679-run-together-against-breast-cancer-san-antonio)** — Sat, Feb 27, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Time to Paddy 5K/10K & Lucky 13.1 - San Antonio](https://runthis.run/event/rs-155554-time-to-paddy-5k-10k-lucky-13-1-san-antonio)** — Sun, Mar 14, 2027 · 12:00 AM UTC · San Antonio, TX · 50 m / 1 mile / 5K / 10K / Marathon
- **[Rodeo Stampede - San Antonio](https://runthis.run/event/rs-170871-rodeo-stampede-san-antonio)** — Sun, Mar 14, 2027 · 12:00 AM UTC · San Antonio, TX · 50 m / 1 mile / 5K / 6.5 mi / Marathon
- **[Sunrise Marathon 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-211566-sunrise-marathon-5k-10k-13-1-san-antonio)** — Sat, Mar 20, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[St. Paddy's Day Lucky Run 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-212772-st-paddys-day-lucky-run-5k-10k-13-1-san-antonio)** — Sat, Mar 20, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Spring Fling - San Antonio](https://runthis.run/event/rs-170877-spring-fling-san-antonio)** — Sun, Apr 4, 2027 · 12:00 AM UTC · San Antonio, TX · 50 m / 1 mile / 5K / 6.5 mi / Marathon
- **[Run for Bagels 5K/10K/13.1 SAN ANTONIO](https://runthis.run/event/rs-211431-run-for-bagels-5k-10k-13-1-san-antonio)** — Sat, Apr 10, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[DoNot Stop Half Marathon/5K/10K - San Antonio](https://runthis.run/event/rs-156117-donot-stop-half-marathon-5k-10k-san-antonio)** — Sat, Apr 17, 2027 · 12:00 AM UTC · San Antonio, TX · 50 m / 1 mile / 5K / 10K / Marathon
- **[SARR Fiesta Mission Run](https://runthis.run/event/rs-56412-sarr-fiesta-mission-run)** — Sun, Apr 18, 2027 · 12:00 AM UTC · San Antonio, TX · Marathon / 10K / 5K / 1000 m
- **[Coffee Lover Run SAN ANTONIO](https://runthis.run/event/rs-211463-coffee-lover-run-san-antonio)** — Sat, Apr 24, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Coffee Lover Run SAN DIEGO](https://runthis.run/event/rs-211464-coffee-lover-run-san-diego)** — Sat, Apr 24, 2027 · 12:00 AM UTC · San Antonio, TX · 5K / 10K / Marathon / 1 mile
- **[Run This Mother Half Marathon, 10k, 5K](https://runthis.run/event/rs-61835-run-this-mother-half-marathon-10k-5k)** — Sun, May 9, 2027 · 12:00 AM UTC · San Antonio, TX · Marathon / 10K / 5K / 800 m
- **[American Hero 25K Relay & Half Marathon](https://runthis.run/event/rs-108979-american-hero-25k-relay-half-marathon)** — Sun, May 23, 2027 · 12:00 AM UTC · San Antonio, TX · Marathon / 15.5 mi / 5K / 400 m / 10K
- **[Hometown Half Marathon/5K/10K - San Antonio](https://runthis.run/event/rs-156115-hometown-half-marathon-5k-10k-san-antonio)** — Sat, May 29, 2027 · 12:00 AM UTC · San Antonio, TX · 1 mile / 5K / 10K / Marathon
- **[Texas Sun Showdown Half Marathon, Relay & 5k](https://runthis.run/event/rs-58894-texas-sun-showdown-half-marathon-relay-5k)** — Sun, Jun 13, 2027 · 12:00 AM UTC · San Antonio, TX · Marathon / 5K

## Nearby

- [All races in San Antonio, TX](https://runthis.run/races/texas/san-antonio.md)
- [Half Marathon races in Texas](https://runthis.run/races/texas/half-marathon.md)

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Source: [https://runthis.run/races/texas/san-antonio/half-marathon](https://runthis.run/races/texas/san-antonio/half-marathon) — data from Run This (runthis.run).