Rick Shalvoy decided to keep rowing.

Shalvoy, a 57-year-old former lifeguard who was knocked out by dehydration last Tuesday from a four-man attempt to circumnavigate Long Island, re-entered the waters Friday, the day after a fellow crew member called off the journey, Shalvoy's wife, Holli Dunayer-Shalvoy, said Monday.

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The 300-mile journey, to raise funds for wounded military veterans, began last Monday at a beach in Lloyd Harbor. The boat took a counterclockwise route and hit such rough seas that Shalvoy, of Long Beach, and teammate Chris Rizopoulos, 37, of Coram, were sickened. On Tuesday, they were treated at Long Beach Medical Center. He required three intravenous bags of fluid, his wife said.

>> Read Carol Polsky's full story