Run ThisRun This
    Create Your RaceFind EventsContact
    Create
    1. Run This/
    2. Races/
    3. District of Columbia/
    4. Half Marathon

    Race calendar

    Half Marathon Races in District of Columbia

    4 upcoming Half Marathon races across District of Columbia. Run This events are listed first — pick a city below to narrow it down.

    Sort
    Search all races
    Cities in District of ColumbiaWashington

    4 races

    Fri, Oct 9, 2026

    Pregnancy & Infant Loss Awareness Virtual Run/Walk

    Washington, DC

    Outside5K10KMarathon

    Sat, Oct 24, 2026

    Laufvergnügen (Half/10k/5k)

    Washington, DC

    OutsideMarathon10K5K

    Sat, May 1, 2027

    Walk to End Breast Cancer

    Washington, DC

    OutsideMarathon

    Sat, Sep 18, 2027

    DC Half Races

    Washington, DC

    Outside5KMarathon

    Own a race in District of Columbia?

    List it on Run This and it shows up right here, where runners are already looking. Run This is any race director's best friend and the most modern platform for your registration. Already listed? Claim it.

    List your race

    Don't lose this one.

    Save any District of Columbia race to your calendar and we'll remind you when it matters.

    Create your free account

    Your whole running year, in one place.

    Follow your friends, save District of Columbia races, and keep every start line in one calendar.

    Create your free account

    Half Marathon races by city in District of Columbia

    Washington4