Half Marathons in Delaware 2026 | Upcoming Races & Dates

There are 3 half marathons in Delaware scheduled for 2026. The next is the Bikes & Beers Middletown in Middletown on October 3. Delaware half marathons run primarily October through December.

Bikes & Beers Middletown

Sat, Oct 3 · Middletown, DE Middletown

15 MILE (10:00 AM Start Time)30 MILE (9:30 AM Start Time)30 MILE (9:00 AM Start Time) +3

From $24 Open

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

Rehoboth Seashore Marathon and Half Marathon

Sat, Dec 5 · Rehoboth Beach, DE Rehoboth Beach

Rehoboth Seashore Virtual Half MarathonRehoboth Seashore Half MarathonRehoboth Seashore Virtual Marathon +1

From $60 Open

Half Marathons in Delaware — 2026

Bikes & Beers Middletown

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

Rehoboth Seashore Marathon and Half Marathon

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