GREAT SOUTH BAY RUN
- Running
- Half Marathon
- 10k
- 5k
- 5k
Date: Friday, July 31, 2026
Time: 7:00 AM EDT - 11:00 AM EDT
Location: Gilbert Park, Brightwaters, and the Fire Island Lighthouse
Description: The Cross Bay Swim is a challenging open water swim of 5.5 miles across Great South Bay from the Fire Island Lighthouse to Gilbert Park, Brightwaters. This event was first held in 1927, marking 95+ years of tradition and friendly competition. There is a strict limit on the number of swimmers accepted. We fund the Hospice Care Network Children and Family Bereavement program, and a scholarship at St. Anthony's High School through your charitable fundraising for the event. Each swimmer must raise a minimum of $500. Thank you!
Registration Opens: March 28, 2026 at 12:01 PM EDT
Age Limit: 16 - 99
Website: http://www.greatsouthbayswim.com
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