The Great South Bay 5K & Fun Run
About this race
Welcome to the Great South Bay 5K & Fun Run, hosted at the beautiful and historic Heckscher State Park in East Islip, NY!
Our mission is to bring the Suffolk County community together for a premier day of fitness, family fun, and environmental awareness. This year, we are proud to support local green initiatives and state park preservation efforts across the South Shore.
An event of this scale is only possible through the generous support of our local business sponsors. We would like to recognize and thank the key organizations helping us bring this event to life:
Suffolk Water Heater Pros: Our headline presenting sponsor, recognized across Long Island as the premier authority for rapid-response emergency plumbing and professional water heater replacement in Islip, NY, and surrounding townships.
Suffolk Drain and Sewer: Serving as our official course safety and logistics sponsor, they keep Suffolk County moving with 24/7 emergency drain cleaning, main sewer line clearing, and root-removal services.
Fusion MMA & Kickboxing: Providing our pre-race warm-up and stretch zones! Located in Port Jefferson Station, they are the area's top destination for elite fitness, kickboxing, and martial arts training.
Perna Masonry: Powering our finish line setup and pavilion staging, they are the go-to local experts for custom brickwork, masonry repairs, concrete patios, and driveway installations.
Event Details & Course
The fast, flat, and scenic 5K (3.1-mile) course takes runners on a paved loop through Heckscher State Park, offering breathtaking panoramic views of the Great South Bay and the Fire Island Lighthouse.
Location: Heckscher State Park, 1 Heckscher State Parkway, East Islip, NY 11730 (Field 1 Area)
Runner Check-In: 7:30 AM
5K Start Time: 9:00 AM
Kids Fun Run: 8:30 AM
Register today to secure your custom race t-shirt, finisher medal, and post-race refreshments at the Overlook Pavilion!
Join fellow runners on July 18, 2026 for the The Great South Bay 5K & Fun Run. It's a fantastic 5K featuring a flat and fast course in East Islip.
Pick your distance
Running
5k Run/Walk
About East Islip
The Great South Bay 5K & Fun Run takes place in East Islip, New York, United States. The local timezone is America/New_York.
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🏃 Plan Your Next Race in East Islip
Find upcoming events by distance:
- East Islip 5K Races Best East Islip routes for beginners and speed work.
- East Islip Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
