Delaware Half Marathons

8 upcoming half marathons across Delaware, updated nightly. Want radius search and maps? Open these in the Race Finder.

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When to race: half marathons in Delaware

Delaware has 8 upcoming half marathons over the next 12 months. Among complete calendar months, April 2027 has the most listed races, with 2. Most are around Rehoboth Beach, Wilmington, Newark. The next one is Rehoboth Seashore Marathon and Half Marathon on December 5 in Rehoboth Beach.

December 2026

January 2027

March 2027

April 2027

May 2027

October 2027

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