Half Marathons in Delaware 2026 | Upcoming Races & Dates

There are 3 half marathons in Delaware scheduled for 2026. The next is the 6TH SEAWITCH 1/2 MARATHON CLASSIC (SEAWITCH RACING FESTIVAL WEEKEND) in Lewes on October 24. Delaware half marathons run primarily October.

2026 Delaware Distance Classic 15K & 5K

Sun, Oct 18 · Wilmington, DE Wilmington

2026 Delaware Distance Classic 5K Run/Walk2026 Delaware Distance Classic 15K Run

From $20 Closed

6TH SEAWITCH 1/2 MARATHON CLASSIC (SEAWITCH RACING FESTIVAL WEEKEND)

Sat, Oct 24 · Lewes, DE Lewes

1/2 Marathon Classic (Saturday)Spooky Challenge (HALF on Sat & 5K on Sun)

From $70 Open Closing Soon

First State Half Marathon & 10K

Sat, Mar 20 · Newark, DE Newark

First State 10KFirst State 10KFirst State Half Marathon +1

From $49 Open

Bear Trail Half Marathon & 10K

Sun, Oct 3 · Bear, DE Bear

10K10KHalf Marathon +1

From $45 Closed

Half Marathons in Delaware — 2026

2026 Delaware Distance Classic 15K & 5K

6TH SEAWITCH 1/2 MARATHON CLASSIC (SEAWITCH RACING FESTIVAL WEEKEND)

First State Half Marathon & 10K

Bear Trail Half Marathon & 10K

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