GREAT SOUTH BAY RUN logo

Saturday, October 9, 2027 · 7:30 AM · Bay Shore, New York

GREAT SOUTH BAY RUN

5K, 10K and Half Marathon in Bay Shore, NY · $34-$69

Register for 1/2 Marathon (opens in a new tab)$69
Register for 10K Run/Walk (opens in a new tab)$54
Register for 5K Run/Walk (opens in a new tab)$34
Register for 5K Jogging Stroller Run/Walk (opens in a new tab)
Race Info

THE NORTHWELL HEALTH GREAT SOUTH BAY RUN - SATURDAY OCTOBER 9th, 2027.

Celebrate 42 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.

Time limit
No time limit listed by the organizer
Walkers
Not mentioned — ask the organizer
Terrain
Not stated
Certified
Yes

Pulled from the organizer's own race description — per the organizer, not independently verified.

Ready to sign up?

Register for 1/2 Marathon (opens in a new tab)$69
Register for 10K Run/Walk (opens in a new tab)$54
Register for 5K Run/Walk (opens in a new tab)$34
Register for 5K Jogging Stroller Run/Walk (opens in a new tab)

Similar races

Browse all

Source

Race details on this page come from RunSignup.

Race details can change and mistakes can be made. Always verify the race website for the most complete and accurate information. Report an error on this page.

Doability details — walkers welcome, time limit, terrain, and course certification — are read from the organizer's own description and haven't been independently verified.

Are you the race organizer? Request this listing be removed.

GREAT SOUTH BAY RUN

Sat, Oct 9, 2027 · $34-$69

Register (opens in a new tab)