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The 34th 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!!
A portion of the proceeds and 100% of all donations for this event go to COHEC.
Southside Hospital’s Community Outreach Health and Education Council (COHEC), is the brainchild of Northwell Health trustee and Southside Hospital’s community board member Emmett Walker in 2015.
The Community Outreach and Health Education Council (COHEC) group’s mission is to strengthen partnerships to promote access to the highest quality health care, health literacy and wellness improving the quality of life in all the communities Southside Hospital serves.
We have added a MASSIVE festival to the post-race party. Thanks to the Town of Islip the very first "GREAT SOUTH BAY SEAFEST" will take place with over 50 vendors, Food Trucks, Beer Trucks, Kids activities including a Petting Zoo, Pony Rides, FREE Snapper Fishing, 2 LIVE BANDS and much much more... The festival opens as our first runners start crossing the finish-line!
Due to the added festival, the race size has to be capped and we are expecting the event to SELL OUT so we suggest you REGISTER NOW and secure your place in the race!
If you have any questions about this race, click the button below.Questions?