Marathons in Delaware

Delaware is home to 3 marathons in our database in United States, spread across cities including Rehoboth Beach and Wilmington.

Rehoboth Beach Seashore Marathon is the largest race in the lineup, typically drawing around 980 finishers, while the full spread offers everything from fast urban courses to scenic regional events.

Browse the races below for course maps, elevation profiles, typical weather, and practical race-day detail to help you choose your next start line.

Rehoboth BeachDelawareUnited States

Coastal Delaware Running Festival Marathon

The Coastal Delaware Running Festival Marathon draws approximately 747 finishers each April on a scenic coastal road in Rehoboth Beach, United States. The spring anchor of Delaware's Coastal Running Festival draws more than 700 marathon finishers on a mostly flat certified course. The route links Rehoboth Beach, Cape Henlopen State Park roads, and southern Delaware coastal scenery. Gentle undulations are the only breaks on an otherwise flat profile.

Next race: Saturday, 10 April 2027

WilmingtonDelawareUnited States

Delaware Marathon

The Delaware Marathon draws approximately 643 finishers each April on an urban road in Wilmington, United States. The Delaware Running Festival marathon is a USATF-certified Boston qualifier and Wilmington's flagship 26.2-mile race. The course tours Wilmington's Riverfront, Brandywine Park, and city neighborhoods on a rolling urban loop. Rolling terrain with moderate climbs shapes the middle miles.

Next race: Sunday, 18 April 2027

Rehoboth BeachDelawareUnited States

Rehoboth Beach Seashore Marathon

The Rehoboth Beach Seashore Marathon draws approximately 980 finishers each December on a scenic coastal road in Rehoboth Beach, United States. Delaware's largest marathon by finisher count, held each December with a flat coastal course and strong Boston-qualifier percentages. The course follows Atlantic Ocean beach roads, boardwalk stretches, and Sussex County coastal neighborhoods. Gentle undulations are the only breaks on an otherwise flat profile.

Next race: Saturday, 5 December 2026

Close to this race

Nearby Marathons

Other races closest to Delaware.

Virginia BeachVirginiaUnited States· 42 km away

Yuengling Shamrock Marathon

The Yuengling Shamrock Marathon is a beloved Virginia Beach tradition, drawing approximately 4,200 finishers each March along the Atlantic Ocean boardwalk. The out-and-back course follows the Virginia Beach oceanfront past the Neptune statue, the Fishing Pier, and the resort strip with flat coastal pavement throughout. March's cool Atlantic coast weather and post-race Shamrock party make it a classic East Coast spring marathon.

Next race: Saturday, 20 March 2027

RichmondVirginiaUnited States· 131 km away

Richmond Marathon

The Richmond Marathon draws approximately 4,000 finishers on an urban road in Richmond, United States. The course starts and finishes at the Richmond Coliseum. The route follows the James River Park System and passes historic Monument Avenue. Very flat with riverside trails.

Next race: Saturday, 14 November 2026

Washington, D.C.District of ColumbiaUnited States· 205 km away

Rock n Roll Washington DC Marathon

The Rock 'n' Roll Washington DC Marathon draws approximately 5,476 finishers each March through the US capital's monument-lined streets. The course passes the US Capitol, the National Mall, the Lincoln Memorial, and the Georgetown waterfront with live music stages along the route. March cherry-blossom season makes it one of America's most scenic capital-city marathons.

Next race: Saturday, 20 March 2027

Washington, D.C.District of ColumbiaUnited States· 206 km away

Marine Corps Marathon

The Marine Corps Marathon is one of the world's largest marathons, drawing approximately 16k finishers on a point-to-point road in Washington, D.C., United States. The course runs from the Pentagon in Arlington to the Marine Corps War Memorial (Iwo Jima). The route crosses the Arlington Memorial Bridge into Washington, D.C., passing the Lincoln Memorial, National Mall monuments, and Hains Point before finishing in Arlington. Rolling terrain with climbs on Memorial Bridge and at Hains Point.

Next race: Sunday, 25 October 2026

BaltimoreMarylandUnited States· 235 km away

Baltimore Running Festival Marathon

The Baltimore Running Festival Marathon draws approximately 1,625 finishers each October through Charm City on the Chesapeake Bay. The course passes Fort McHenry (birthplace of the Star-Spangled Banner), the Inner Harbor, and Johns Hopkins University on rolling Mid-Atlantic terrain. October's crisp Baltimore autumn and the harbour-city scenery make it Maryland's premier marathon.

Next race: Saturday, 17 October 2026

Atlantic CityNew JerseyUnited States· 276 km away

Atlantic City Marathon

The Atlantic City Marathon draws approximately 1,400 finishers each October on a boardwalk and coastal road in Atlantic City, United States. It is one of the oldest marathons in the United States and still leans into classic resort-city character. The course passes the boardwalk, marina districts, and long seaside stretches beside casinos and beaches. The course is very flat throughout.

Next race: Sunday, 18 October 2026

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