RunEmu

Half Marathon Races in Delaware

Browse 15+ upcoming half marathon races in Delaware.

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Shamrock Shuffle Half Marathon

Mar 15, 2026
Lewes, DE
13.1M5K
55°
36°
12%

20th Shamrock Shuffle "NEW" Half-Marathon & 5k & NEW 2 Person Relay

Mar 15, 2026
Lewes, DE
13.11M3.11M
55°
36°
12%

First State Half Marathon & 10K

Mar 21, 2026
Newark, DE
13.1M10K
55°
35°
13%

First State Half Marathon

Mar 21, 2026
Newark, DE
13.1M10K
55°
35°
13%

Coastal Delaware Running Festival

Apr 11, 2026
Rehoboth Beach, DE
26.2M13.1M5.6M5.59M5K
65°
44°
14%

RACE4WARRIORS VIRTUAL 5k, 10K or Half Marathon

May 1, 2026
Lewes, DE
13.1M10K5M5K
72°
51°
15%

Seashore Half Marathon

May 2, 2026
Lewes, DE
13.1M13.1M5K
72°
51°
15%

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

May 2, 2026
Lewes, DE
13.11M13.1M3.11M
72°
51°
15%

Race4Warriors 5K, 10K & Half Marathon Challenges!

May 9, 2026
Lewes, DE
13.1M10K5K
74°
53°
15%

Race4Warriors 5K, 10K and Half Marathon Challenges

May 9, 2026
Lewes, DE
13.1M10K
74°
53°
15%

Conquer The Canal

May 30, 2026
Delaware City, DE
26.2M6.2M3.1M
78°
59°
16%

Independence Series - Day 1 - DE

Jun 3, 2026
Bear, DE
26.2M13.1M
79°
60°
17%

Delaware Trail Fest

Oct 17, 2026
Bear, DE
12HR12HR14.9M7.5M
67°
48°
14%

Seawitch Fall Half Marathon

Oct 24, 2026
Lewes, DE
13.1M
67°
47°
14%

Rehoboth Seashore Marathon and Half Marathon

Dec 5, 2026
Rehoboth Beach, DE
26.2M13.1M
54°
36°
15%
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