DE Race Guide
Half Marathons in Delaware
From first-timer-friendly flats to trails worth traveling for, find a Delaware half marathon that fits your goals and your sense of adventure.
7
upcoming races
7 races
Coastal Delaware Running Festival · Rehoboth Beach, Delaware
Delaware Running Festival · Wilmington, Delaware
17th Seashore Classic 1/2 Marathon, 2-person Relay & 5k Run/Walk · Lewes, Delaware
Race4Warriors 5K, 10K & Half Marathon Challenges! · Lewes, Delaware
2026 Independence Series - Day 1 (DE) · Bear, Delaware
6TH SEAWITCH 1/2 MARATHON CLASSIC (SEAWITCH RACING FESTIVAL WEEKEND) · Lewes, Delaware
Rehoboth Seashore Marathon and Half Marathon · Rehoboth Beach, Delaware