2024-2025 Delaware Half Marathon Race Calendar

Delaware Half Marathons by Date

Browse all Delaware half marathons in 2024 and 2025 by month and by city below.

For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up.

When you view a race, you might also find contact info if you’re having problems with your registration or need to contact the race directors.

We dedicated dozens of hours every month searching for races to include in the Delaware half marathons calendar. If you happen to see any half marathon not included or incorrect information, contact us at info@halfmarathons.net to submit or correct the information about your race.

Looking for the best Delaware half marathons for you? Check beneath the Delaware half marathon calendar for answers to frequently asked questions.


Philadelphia Distance Run Pennsylvania Featured Race

Upcoming 2024-2025 Delaware Half Marathons

October 2024

December 2024

March 2025

April 2025

May 2025

June 2025

White and green house near body of water during daytime in Dewey Beach, Delaware of Delaware half marathons

Frequently Asked Questions About Delaware Half Marathons

What are the most popular Delaware half marathons?

The most popular Delaware half marathon is the Rehoboth Beach Seashore Half Marathon with over 2,000 runners. The second most popular Delaware half marathon is the Coastal Delaware Running Festival in Dewey Beach with over 1,200 finishers.

What’s the best Delaware half marathons for beginners in 2024?

If you’re a beginner looking for a half marathon in Delaware, our favorites to recommend are the Rehoboth Beach Seashore Half Marathon in Rehoboth, a scenic coastal race with great crowds, and the Delaware Half Marathon Running Festival in Wilmington, the state’s oldest road marathon.

What’s the best month to run a half marathon in Delaware?

April and May are the most popular months to run a half marathon in Delaware.

What are the most popular cities to run Delaware half marathons?

Lewes is the most popular city for half marathons in Delaware.

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