Delaware Half Marathon Races

Upcoming half marathon races in Delaware, sorted by date.

Dec 2026

Rehoboth Seashore Marathon and Half Marathon

Rehoboth Beach, DE · Virtual option · from $90

A coach turns a goal time into a plan built around your schedule, your history and your race, and can meet you in Delaware.

First State Half Marathon & 10K

Newark, DE · from $59

Coastal Delaware Running Festival

Rehoboth Beach, DE · from $50

Delaware Running Festival

Wilmington, DE · Virtual option · from $40

Race4Warriors 5K, 10K & Half Marathon Challenges!

Lewes, DE · from $30

Conquer The Canal

Delaware City, DE · from $40

Bear Trail Half Marathon & 10K

Bear, DE · from $45

Pace calculator →

Pace, finish time, race predictions and training paces.

Mile-by-mile pace band →

Printable splits with negative-split and hill adjustments.

Race listings come from RunSignup. Dates, prices and details can change, so confirm on the race's registration page.