GREAT SOUTH BAY RUN
- Date
- October 3, 2026
- Location
- 142 S Clinton Ave, Bay Shore, NY
- Distance
- 1/2 Marathon · 10K Run/Walk · 5K Run/Walk & more
From the Organizer
THE 41st 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!!
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
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.
Coming Up
More Running races near Bay Shore, NY
The D.C Raymond M. Downey 'Forever Running' Memorial 5K Run/Walk
5K
6 miles away
Lindy Cares - 7th Annual Color Run
7 miles away
Iron Horse 4 Miler
8 miles away
Tunnel to Towers 5K Run & Walk - Fire Island, NY
5K
6 miles away
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 the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the GREAT SOUTH BAY RUN?
- GREAT SOUTH BAY RUN is a running race held in Bay Shore, New York on October 3, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the GREAT SOUTH BAY RUN?
- Saturday, October 3, 2026 in Bay Shore, New York at 142 S Clinton Ave, Bay Shore, NY. Check the event page for exact start times and wave schedules.
- How do I register for the GREAT SOUTH BAY RUN?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
GREAT SOUTH BAY RUN
Oct 3, 2026