GREAT SOUTH BAY RUN
GREAT SOUTH BAY RUN is a running race on October 3, 2026 in Bay Shore, NY, with entry fees from $44 to $79.
- Date
- October 3, 2026 (27 days to go)
- Location
- 142 S Clinton Ave, Bay Shore, NY
- Price
- $44–$79
- Sport
- Running
From the Organizer
THE NORTHWELL HEALTH GREAT SOUTH BAY RUN - SATURDAY OCTOBER 3rd, 2026.
Celebrate 41 years of running on Long Island at the Northwell Health Great South Bay Run!
Starting and finishing at beautiful Bay Shore Marina Park, this Long Island tradition offers three USATF-certified courses, giving runners of all abilities the chance to be part of an AWESOME race day.
- HALF MARATHON: 13.1 Miles
- 10K RUN: 6.2 Miles
- 5K FAMILY FUN RUN: 3.1 Miles
Each course takes runners through the heart of historic downtown Bay Shore, past beautiful residential neighborhoods, and alongside some of the area’s most scenic landmarks, including the Brightwaters Lakes, Cascades, and Canals.
Then get ready for an incredible finish back at Bay Shore Marina with sweeping, unobstructed views of Fire Island and the Great South Bay.
Whether you're chasing a Half Marathon PR, racing the 10K, running your first 5K, or enjoying the day with family and friends, the Great South Bay Run delivers an unforgettable Long Island race experience.
THREE DISTANCES. ONE GREAT RACE DAY.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
67°
Typical Low
54°
Based on US Climate Normals data from Molloy Cercom, 8 mi from the venue.
Host City
About Bay Shore, NY
City Elevation
0 ft
Nearest Airport
ISP
Long Island MacArthur Airport · 10 mi
Major Hub
JFK
John F. Kennedy International Airport · 28 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at GREAT SOUTH BAY RUN, put it on the calendar, and turn “someday” into a start date.
27
Days to train
- Race
- GREAT SOUTH BAY RUN
- Date
- October 3, 2026
- Location
- 142 S Clinton Ave, Bay Shore, NY
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More Running races near Bay Shore, NY
Frequently Asked Questions
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GREAT SOUTH BAY RUN
Oct 3, 2026