Half-Marathon races in Delaware, United States — 2026 running calendar

Bear Trail Half Marathon & 10K

Bear, Delaware, United States

Sep 6, 2026 (Sun)

$60.00 - $65.00

Running

Half-Marathon 10.5K

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

Lewes, Delaware, United States

Oct 24, 2026 (Sat)

$70.00 - $90.00

Running

Half-Marathon 26.1K

Rehoboth Seashore Marathon and Half Marathon

Rehoboth Beach, Delaware, United States

Dec 5, 2026 (Sat)

$75.00 - $175.00

Running

Marathon Half-Marathon

Coastal Delaware Running Festival

Rehoboth Beach, Delaware, United States

Apr 10, 2027 (Sat) – Apr 11, 2027

$40.00 - $160.00

Running

5K 9K Half-Marathon Marathon +3

Delaware Running Festival

Wilmington, Delaware, United States

Apr 18, 2027 (Sun)

$40.00 - $115.00

Running

Marathon Half-Marathon 10K 5K +12

Race4Warriors 5K, 10K & Half Marathon Challenges!

Lewes, Delaware, United States

May 9, 2026 (Sat)

Running, Walking, Trail running

5K 10K Half-Marathon +5

17th Seashore Classic 1/2 Marathon, 2-person Relay & 5k Run/Walk

Lewes, Delaware, United States

May 2, 2026 (Sat)

Running

5K Half-Marathon

RACE4WARRIORS VIRTUAL 5k, 10K or Half Marathon

Lewes, Delaware, United States

May 1, 2026 (Fri) – May 25, 2026

Running

5K 8K 10K Half-Marathon +5

Race Through Delaware 1M, 5K, 10K, 13.1, 26.2 – Now Only $20!

Dover, Delaware, United States

Mar 28, 2026 (Sat) – Dec 31, 2026

$20.00

Running

1.6K 5K 10K Half-Marathon +1