Race calendar

Half Marathon Races in Delaware

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

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8 races

Sat, Sep 5, 2026

Bear Trail Half Marathon & 10K

Bear, DE

OutsideMarathon6.5 mi

Fri, Oct 23, 2026

6TH SEAWITCH 1/2 MARATHON CLASSIC (SEAWITCH RACING FESTIVAL WEEKEND)

Lewes, DE

OutsideMarathon16.2 mi

Fri, Dec 4, 2026

Rehoboth Seashore Marathon and Half Marathon

Rehoboth Beach, DE

OutsideMarathon

Fri, Mar 19, 2027

First State Half Marathon & 10K

Newark, DE

OutsideMarathon10K

Fri, Apr 9, 2027

Coastal Delaware Running Festival

Rehoboth Beach, DE

OutsideMarathon5.6 mi5K

Sat, Apr 17, 2027

Delaware Running Festival

Wilmington, DE

OutsideMarathon10K5K

Fri, May 7, 2027

Race4Warriors 5K, 10K & Half Marathon Challenges!

Lewes, DE

Outside5K10KMarathon

Fri, May 21, 2027

Conquer The Canal

Delaware City, DE

OutsideMarathon10K5K