
From the Organizer
The 12th Annual Suffolk County Marathon, Half Marathon, 10K, Sunday, October 18th, and the 5K will be held on Saturday, October 17th, 2026.
Sunday's races will start in the Village of Babylon and Finisher in Gardiner Park, located at Montauk Hwy W, Bay Shore, NY 11706. Athletes running the Half & Full Marathon will run one of the most scenic courses on Long Island, as they cross the Robert Moses Causeway. Saturdays races will start and finish at Gardiner County Park.
Each year, the Marathon raises money to benefit veterans and to date, the Suffolk County Marathon has raised over $1,000,000 for local veterans’ services.
Events
Weather
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
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
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.
131
Days to train
Coming Up
The D.C Raymond M. Downey 'Forever Running' Memorial 5K Run/Walk
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
6 miles away
From Endurance Grid
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.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
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)
SUFFOLK COUNTY MARATHON
Oct 17, 2026