Experience the

Sea Island Half Marathon

Experience Sea Island

The Sea Island Half Marathon and 10k, presented by Vineyard Vines, provides an unrivaled destination race experience like no other! From your arrival to departure, you’ll enjoy an incredible race vacation at Sea Island Resort, where comfort is in every detail and genuine Southern charm is in the air.

Greenbrier Half Marathon

Runner Testimonials

“Everything was so seamless, smooth, and stress free on race day! The course was gorgeous and had clear directions for runners. I can’t wait to run again next year!”

-Seasoned Racer

“The new course was great and the weather was perfect! This race has a local race vibe that’s so unique. We look forward to race year after year!”

-Local Hamptons Resident

“I loved the excitement generated by the announcer and the energy from the crowds. The whole race was SO organized. Amazing!”

-First Time Marathon Runner

Half Marathon Sea Island Courses


Begin your race though Southampton Estates, run down wooded roads, and enjoy our gorgeous beaches on either side of Meadow Lane! With our fast and flat course, you can set your next personal best or join other racers on the quest to earn a Boston Qualifying time.

Post Race Celebration

Vineyard Vines Champagne Brunch

With live music, delicious food and an awards ceremony, the seaside celebration continues after you cross the finish line! Put on those dancing shoes and celebrate your accomplishment with friends and family at the Vineyard Vines champagne brunch.

Book Your Stay

There is only one Sea Island, but endless ways to enjoy it.

Whether it’s the gracious welcome of The Cloister, the friendly comfort of The Inn or another of the resort’s world-class accommodations, Sea Island’s signature heart and soul is there for you every step of your day.