Join us for one of Long Island’s premier running events at the 12th Annual Suffolk County Marathon Weekend, featuring the Marathon, Half Marathon, 10K, and 5K.

SATURDAY, OCTOBER 17, 2026. 5K & KIDS 1K

Saturday’s 5K will start and finish at Gardiner County Park in Bay Shore, making it a great race for runners of all abilities, families, and anyone looking to be part of the Suffolk County Marathon Weekend.

SUNDAY, OCTOBER 18, 2026. MARATHON | HALF MARATHON | 10K

Sunday’s races will begin in the Village of Babylon and finish at beautiful Gardiner County Park in Bay Shore.

Athletes taking on the Half Marathon and Marathon will experience one of the most scenic and unique race courses on Long Island, including the incredible opportunity to run across the Robert Moses Causeway with unforgettable views of the Great South Bay.

Whether you are chasing a Boston qualifier, racing your next Half Marathon, taking on the 10K, or joining us for Saturday’s 5K, there is a distance for everyone.

RUN FOR OUR VETERANS

Come run Long Island, experience an unforgettable course, and help us continue supporting the men and women who have served our country.

Community Wall

Open the wall →

No posts yet — start the conversation →

Distances

29.3 mi

16.2 mi

9.3 mi

Marathon

Half marathon

10K

1000 m