Half Marathons in Delaware

Delaware has 2 upcoming Half Marathons. Half marathons are the fastest-growing race distance, offering a true endurance challenge with a more accessible training window than the full marathon.

2 upcoming races listed

Fun races Scenic races Competitive races Quirky races Festive races For a Cause races Beginner-friendly

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

Run a scenic half marathon, relay, or 5k in Lewes, DE, benefiting a community scholarship and featuring a post-race celebration.

Scenic
Competitive
For a Cause

Sat, May 2, 2026, 8:00 AM EDT13.11 MilesLewes, DE

Steady EffortRUN

Course · Flat · Timed race

Race4Warriors 5K, 10K & Half Marathon Challenges!

Run, march, or heavy march along Delaware's scenic coast to honor and support Wounded Warriors and Homeless Veterans. A truly impactful event.

Fun
Scenic
Competitive
Quirky
Festive

Sat, May 9, 2026, 8:15 AM EDT13.1 MilesLewes, DE

Steady EffortRUN

Course · Trail · Flat · Timed race

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More Half Marathon races

All races in Delaware Half Marathons in Newark, DE Half Marathons in Wilmington, DE Half Marathons in Lewes, DE Half Marathons in Rehoboth Beach, DE Half Marathons in Middletown, DE Half Marathons in Bethany Beach, DE Half Marathons in Hockessin, DE

Other distances in Delaware

5Ks in Delaware 10Ks in Delaware Marathons in Delaware