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Best San Marcos, Tx Half Marathon Races

View some of the best Half Marathon races in San Marcos, Tx! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.

    • 1/2M

    Pflugerville, TX

    42.86 miles away

    I'm Attending

    Winter Warm Up- Austin

    Like Running or Walking?  Love Flannel?  This race is for you!  Join us on Saturday, January 2nd, 2022 for an exciting new event that features the amazing scenery and landscape of NE Metro Park!  Whether you are looking to run, walk or just enjoy...

    • 1/2M

    San Antonio, TX

    47.95 miles away

    I'm Attending

    SARR Mission Half Marathon/10K/5K/Kids 1K

    Join San Antonio RoadRunners for our 48th running of the SARR Mission Half Marathon/5K/10K . The Mission 10K is Texas' oldest 10K race! New Event for 2022: Mission Half Marathon IN-PERSON EVENT DETAILS: In Person Event Date: Sunday April 3rd ...

    • 1/2M

    San Antonio, TX

    43.03 miles away

    I'm Attending

    Run This Mother 5k and Half Marathon

    Ladies we are so excited to be hosting our San Antonio women's Only Half marathon in 2022 along with our Run This mother 5k. Please join us for your next half marathon in 2022 and come celebrate a great start to your day on our beautiful course al...

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