Delaware Running Races

69 upcoming races across Delaware in the next 12 months, from local 5Ks to marathons and ultras. Updated nightly. Want filters, maps, and radius search? Open Delaware in the Race Finder.

By distance: Half Marathons · 5K Races · 10K Races

By city: Newark · Wilmington · Rehoboth Beach · Lewes

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Racing in Delaware: what the calendar looks like

There are 69 races on the Delaware calendar over the next 12 months, which works out to roughly 1 per week. Among complete calendar months, April 2027 has the most listed races (9); August 2027 has the fewest (0). The busiest places to race are Newark (19), Wilmington (12), Rehoboth Beach (7).

Of those, 57 offer a 5K, 11 offer a 1 Mile and 8 offer a Half Marathon. The next marathon is Rehoboth Seashore Marathon and Half Marathon on December 5 in Rehoboth Beach. The next half marathon is Rehoboth Seashore Marathon and Half Marathon on December 5.

By race count Delaware ranks 43rd of 51 states and DC.

Races by month

Marathons in Delaware

Delaware has 4 marathons coming up in the next 12 months. First up is Rehoboth Seashore Marathon and Half Marathon on December 5, 2026 in Rehoboth Beach; after that come Coastal Delaware Running Festival (Sat 4/10, 2027), Delaware Running Festival (Sun 4/18, 2027), and 1 more below.

Ultramarathons in Delaware

Delaware has 2 ultramarathons coming up in the next 12 months. First up is Angela Ivory Memorial Runs on January 9, 2027 in Felton; after that come Coastal Traverse Adventure Race (Sat 4/3, 2027).

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

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October 2027

November 2027

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