In order to use SkiSignup, your browser must accept cookies. Otherwise, you will not be able to register for races or use other functionality of the website. However, your browser doesn't appear to allow cookies by default.
If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. Please try enabling cookies. You can find instructions at https://www.whatismybrowser.com/guides/how-to-enable-cookies/auto.
The 37th Annual Northwell Health Great South Bay Run features 3 USATF certified run courses, choose from the 13.1 mile Half Marathon, a 10K Run, and a perfect 5k Family Fun Run.
Each race begins and ends at the Bay Shore Marina Park, enjoy scenic courses as you run through the historic Bay Shore downtown area passing beautiful residential homes located by the Brightwaters Lakes, Cascades, and Canals. Finish with unobstructed views of Fire Island, and the Great South Bay!!
If you have any questions about this race, click the button below.
Please complete the following survey to help us better understand your race experience.
We will contact you with more information about our race.