Seashore Half Marathon

Lace-up for the picturesque Seashore Half Marathon, a memorable journey through charming Lewes, Delaware, on May 2, 2026. This popular event offers both a 13.1-mile half marathon (with a relay option) and a 5K, inviting runners of all levels to experience the historic "First Town in the First State" and its stunning natural beauty.

The out-and-back course is renowned for its scenic beauty, leading participants from the vibrant start/finish line at Market Street & Anglers Road, near Irish Eyes, through the quaint streets of Lewes and into the expansive Cape Henlopen State Park. Runners will encounter a mostly flat terrain with some minor undulations, navigating a mix of paved roads, crushed gravel, and cinder trails. Prepare to be captivated by diverse scenery, including coastal vistas, peaceful pine forests, and salt marshes. Aid stations are strategically placed along the half marathon course at approximately miles 2, 4, 6.55, 9, and 11, ensuring runners are well-supported with water and portable toilets. Typical race day conditions in early May feature comfortable highs around 72°F and lows around 51°F, with a minimal 15% chance of precipitation.

The Seashore Half Marathon boasts a reputation as a well-organized and friendly race, frequently praised by participants for its beautiful course and supportive atmosphere. After crossing the finish line, celebrate your accomplishment with fellow runners at the lively post-race festivities hosted by Irish Eyes, known for its refreshments and camaraderie. This race offers an ideal blend of a flat, fast course for personal bests and breathtaking coastal scenery, making it a beloved fixture on the Delaware running calendar.