33rd Annual Swim Across America – Long Island Sound

Join the 33rd annual Swim Across America – Long Island Sound open water swim to make waves to fight cancer on Saturday, July 26, 2025. This fun and inspiring event attracts more than 800 swimmers, volunteers, supporters and spectators, and is Swim Across America’s largest open water swim in the U.S. With swim lengths of 2K, 5K and 10K, plus a 1/2-mile pool swim on July 26, the swim has an event for everyone. There are also an additional eight pool swims starting June 27 and running through August 2 at area clubs that are KIDS Swimming FOR KIDS in support of pediatric cancer research. Established in 1992, Swim Across America – Long Island Sound is closing in on raising a record $30 million dollars for its local New York beneficiaries, including Memorial Sloan Kettering Cancer Center, Columbia University Cancer Center, Cancer Support Team and Weill Cornell Medical Center.

This year’s Swim Across America – Long Island Sound event includes its large open water swim on July 26, that is a point-to-point swim leaving from the Larchmont Yacht Club and swimming to the Larchmont Shore Club.

Now in its 33rd year, Swim Across America – Long Island Sound has contributed nearly $30 million towards cancer research, resulting in FDA approved immunotherapy treatments of Keytruda, Opdivo and Yervoy. What’s more is the money raised locally stays local, providing cancer care and research grants to The Cancer Support Team, a Westchester-based home care program offering free services to patients and their families; to New York Presbyterian Children’s Hospital Pediatric Oncology Lab; to Memorial Sloan-Kettering Research Laboratories of Dr. Diaz and Dr. Kung Kids Department of Pediatrics; and to Weill Cornell Medicine Research Laboratory of Dr. Wolchok and Dr. Merghoub.

Nationally, Swim Across America has generated more than $100 million for cancer research since its founding 1987, supporting more than 60 research projects each year in 25 markets. The Long Island Sound swim is the organization’s largest event and highest fundraiser.

Please support the hundreds of swimmers and volunteers who will be making waves on Saturday, July 26, at the Swim Across America – Long Island Sound open water swim + eight pool swims from June through August that will help Swim Across America – Long Island Sound reach its 2025 $2 million goal to allocate even more dollars towards grants that are working towards a cure.