SUFFOLK COUNTY MARATHON
SUFFOLK COUNTY MARATHON is a running and trail running race on October 17–27, 2026 in BAY SHORE, NY, with entry fees from $15 to $164.
- Date
- October 17–27, 2026 (41 days to go)
- Price
- $15–$164
- Sports
- RunningTrail Running
From the Organizer
THE CATHOLIC HEALTH SUFFOLK COUNTY MARATHON WEEKEND
Join us for one of Long Island’s premier running events at the 12th Annual Suffolk County Marathon Weekend, featuring the Marathon, Half Marathon, 10K, and 5K.
SATURDAY, OCTOBER 17, 2026. 5K & KIDS 1K
Saturday’s 5K will start and finish at Gardiner County Park in Bay Shore, making it a great race for runners of all abilities, families, and anyone looking to be part of the Suffolk County Marathon Weekend.
SUNDAY, OCTOBER 18, 2026. MARATHON | HALF MARATHON | 10K
Sunday’s races will begin in the Village of Babylon and finish at beautiful Gardiner County Park in Bay Shore.
Athletes taking on the Half Marathon and Marathon will experience one of the most scenic and unique race courses on Long Island, including the incredible opportunity to run across the Robert Moses Causeway with unforgettable views of the Great South Bay.
Whether you are chasing a Boston qualifier, racing your next Half Marathon, taking on the 10K, or joining us for Saturday’s 5K, there is a distance for everyone.
RUN FOR OUR VETERANS
Come run Long Island, experience an unforgettable course, and help us continue supporting the men and women who have served our country.
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
62°
Typical Low
49°
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 SUFFOLK COUNTY MARATHON, put it on the calendar, and turn “someday” into a start date.
41
Days to train
- Race
- SUFFOLK COUNTY MARATHON
- Date
- October 17–27, 2026
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From Endurance Grid
About These Sports
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
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.
Trail Running
Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain makes for an exciting twist and adventure in your running journey.
Coming Up
More Running races near BAY SHORE, NY
Frequently Asked Questions
What is the SUFFOLK COUNTY MARATHON?
When and where is the SUFFOLK COUNTY MARATHON?
How do I register for the SUFFOLK COUNTY MARATHON?
SUFFOLK COUNTY MARATHON
Oct 17, 2026