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5K Run for the Bay logo

5K Run for the Bay

Sat, Apr 25, 2026, 8:00 AM EDT

Location
Sayville, NY
400 Foster Ave, 11782
Type
RUN
Official registration

Sign up and verify details on the organizer’s official page.

At a glance

Run or walk a scenic 5K at Foster Avenue Park to support the Blue Island Oyster Foundation and protect the Great South Bay.

  • Scenic
  • For a Cause

Great for: cause-driven runners

Join the 10th annual 5K Run for the Bay, presented by Blue Island Oyster Foundation and Sayville Running Co. This event is dedicated to protecting the vital Great South Bay, with all donations and sponsorships directly benefiting the Blue Island Oyster Foundation, a registered 501c3. Experience a beautiful course at scenic Foster Avenue Park, or participate virtually from your own location. It's a wonderful opportunity to support a crucial environmental cause while enjoying a run or walk.

What to expect

  • - Participate in person at scenic Foster Avenue Park for the 5K run or walk.
  • - A virtual option is available if you prefer to join from anywhere.
  • - Share your experience on social media using #5kRunfortheBay.

Standout details

  • Supports Great South Bay protection
  • Benefits Blue Island Oyster Foundation
  • Scenic Foster Avenue Park course
  • Virtual participation option

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

3 options

Registration for all distances is through the official signup link above.

  • 1.8 Miles

    Sat, Apr 25, 8:00 AM EDT · From $30.00

    Opens Feb 3, 2026, 5:00 AM EST · Closes Feb 22, 2026, 6:59 PM EST

  • 5K

    Sat, Apr 25, 8:00 AM EDT · From $30.00

    Opens Feb 2, 2026, 11:00 PM EST · Closes Feb 22, 2026, 6:59 PM EST

  • 5K

    Sat, Apr 25, 8:00 AM EDT · From $30.00

    Opens Feb 3, 2026, 5:00 AM EST · Closes Feb 22, 2026, 6:59 PM EST

Vibe Check

Easygoing

Based on terrain, weather, and distance data.

The course

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From the organizer

Blue Island Oyster Foundation and Sayville Running Co. presents the 10th annual 5K to protect the Great South Bay. Donations and sponsorships from the run go to the Blue Island Oyster Foundation, a registered 501c3.

The main event will take place at scenic Foster Avenue Park!  A virtual option remains for folks who can't make it to run or walk with us in person.  We ask participants to share their runs via social media using #5kRunfortheBay.

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