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Best Washington, District Of Columbia Half Marathon Races

View some of the best Half Marathon races in Washington, District Of Columbia! 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

    Columbia, MD

    20.81 miles away

    I'm Attending

    2021 Little Patuxent River Half Marathon & 10K

    Enjoy nature in one of the most beautiful areas of Columbia, MD. Starting and finishing at the Guilford Pratt Truss Bridge, the half marathon & 10K takes place on the Patuxent and Wincopin Trail. The course runs along the Little Patuxent and M...

    • 1/2M

    Frederick, MD

    39.75 miles away

    I'm Attending

    Frederick Running Festival

    Tucked away in the suburbs of Washington, D.C., the Frederick Running Festival is one of the hidden gems of the running community. The festival features four races, which all finish at the Frederick Fairgrounds. Runners can experience a big time r...

    • 1/2M

    Baltimore, MD

    34.68 miles away

    I'm Attending

    Baltimore Running Festival

    Join us at the event that many are calling one of the best races on the East Coast, FINISHING AT THE INNER HARBOR. This years event will have both a live component and virtual component. With five distances to choose from, and all runners snagging...

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