Diana Nyad, 64, who completed her history-making swim a little more than a month ago, got into the specially installed pool Tuesday morning to swim laps for two days and raise money for Sandy relief efforts from the AmeriCares non-profit health and disaster organization, WNBC-TV, New York, reported Tuesday
Contributions from the swim had already topped $42,000 Tuesday morning.
Nyad told Monday's "Today" show she wanted to make sure the victims of the storm were remembered.
"I don't want to forget them," she said. "I don't want to forget any people who have been through disaster."