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Delaware > Caesar Rodney Half Marathon & 5K
Wilmington, DE  •  Sunday, March 23, 2014  •  Course Map

Set for its 51st annual running through the streets of Delaware's largest city on the first full weekend after St. Patrick's Day in March 2014, the Caesar Rodney Half Marathon & 5K takes runners on an out-and-back tour of the city, with much of the course unfolding along the banks of the Christina River and Brandywine Creek.

More than 1,700 runners and walkers crossed the finish line in both races combined in 2012 -- including just over 1,400 finishers in the half marathon alone -- for an event that also serves as a fundraiser for the Delaware chapter of the American Lung Association, whose programs promote clean air, the prevention of lung disease and fight the environmental conditions and pollutants that cause lung disease in the Delaware, New Jersey, Pennsylvania and West Virginia areas.

The race is often described as "the granddaddy of Delaware road races" thanks to its long history here, and often draws runners from as many as 20 countries around the world each year. Runners start and finish the out-and-back course for the race in downtown Wilmington near Rodney Square, and from there head out for stretches along Brandywine Creek and the river, including stretches that run past the Russell Peterson Wildlife Refuge, Brandywine Park and Rockford Park.

Runners finish the race just a few blocks from where they started, at Rodney Square on the corner of 10th and Market Streets. Those running in the half marathon must be able to complete the race within 3 hours, while those running the 5K must be able to finish their race within one hour.

Race Weather & Climate

Nestled along the winding Christina River in the northern corner of the state, Wilmington typically sees March temperatures that average between 33°F and 51°F, while precipitation amounts average just over 4.5 inches for the month, making March the city's third-wettest month of the year.

On the day of the race (March 23), the average low is 35°F and the average high is 54°F.

Course Map

See the race route map for the Caesar Rodney Half Marathon

Starting Time

8:15 AM - 5K
9:30 AM - half marathon


$50 for the half marathon, if registered by December 31, 2013
$65 between January 1 - March 1, 2014
$75 between March 2 - 18
$85 at the race packet pickup


To reserve your spot in the early spring 2014 running of Wilmington's Caesar Rodney Half Marathon or 5K race, register online at the event website.

Official Race Website


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SEE ALSO: 12-, 16- and 20-Week Half Marathon Training Plans
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