Run ThisRun This
    Create Your RaceFind EventsContact
    Create
    1. Run This/
    2. Races/
    3. Delaware/
    4. 10K

    Race calendar

    10K Races in Delaware

    8 upcoming 10K races across Delaware. Run This events are listed first — pick a city below to narrow it down.

    Sort
    Search all races

    8 races

    Sat, Oct 17, 2026

    Wild & Rooted Trail Run

    Hockessin, DE

    Outside5K10K

    Sun, Oct 18, 2026

    23rd Annual Mariners Bethel 6.2m & 3.1m Trail Run, 1, 2, or 3 mile walk, Kiddie Color Run

    Frankford, DE

    Outside10K5K1 mile2.0 mi

    Sun, Nov 15, 2026

    4th Horseshoe Crab Hustle

    Ocean View, DE

    Outside10K1.5 mi

    Sat, Mar 20, 2027

    First State Half Marathon & 10K

    Newark, DE

    OutsideMarathon10K

    Own a race in Delaware?

    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

    Sat, Apr 10, 2027

    Coastal Delaware Running Festival

    Rehoboth Beach, DE

    OutsideMarathon5.6 mi5K

    Sun, Apr 18, 2027

    Delaware Running Festival

    Wilmington, DE

    OutsideMarathon10K5K

    Sat, May 8, 2027

    Race4Warriors 5K, 10K & Half Marathon Challenges!

    Lewes, DE

    Outside5K10KMarathon

    Sat, May 22, 2027

    Conquer The Canal

    Delaware City, DE

    OutsideMarathon10K5K

    Never miss a race your friends are running.

    Save Delaware races, see who else is going, and get a nudge before signups close.

    Create your free account

    Don't lose this one.

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

    Create your free account